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    Home » Slices and Bars

    Coffee Slice - No Bake

    Published: Apr 15, 2021 · Modified: Nov 23, 2021 by Lee-Ann · 25 Comments

    Jump to Recipe - Print Recipe

    This Coffee Slice is the perfect no-bake, sweet treat match for your next cup of coffee! A melt and mix coffee and biscuit base with chocolate and coffee icing, then set in the fridge.

    Calling all coffee lovers out there, this one is for you! My Coffee Slice is another of my super easy no-bake slice recipes. With no cooking required, it sets in the refrigerator - now that's my kind of cooking!

    pieces of slice sitting on a white plate

    It's got a rich, coffee flavoured biscuit base that's topped off with a coffee-spiked chocolate icing. You could probably describe this as a mocha slice, with that chocolate/coffee combo going on.

    Table of Contents

    • Ingredients you will need for this recipe
    • How to make this recipe
    • My top tips for making this recipe
    • Serving suggestions and ideas for add-ins
    • Other recipes you may enjoy
    • 📖 Recipe
    • Coffee Slice

    Ingredients you will need for this recipe

    • plain biscuits (I used Arnott's Marie)
    • salted butter
    • instant coffee
    • cocoa powder
    • light brown sugar
    • condensed milk
    • desiccated coconut
    • vanilla
    • milk chocolate
    • boiling water

    *Please see the recipe card below for exact quantities and detailed instructions

    How to make this recipe

    1. Process the biscuits in a food processor until fine crumbs.
    2. In a small bowl, mix the instant coffee, cocoa powder and light brown sugar with boiling water to dissolve.image showing process of making recipe
    3. Place crushed biscuits, condensed milk, coconut, melted butter, vanilla and coffee/cocoa mixture in a large bowl and mix well.
    4. Press mixture into a greased and lined baking tin.photographs showing how to make recipe
    5. For the icing, melt the chocolate and butter together in the microwave, then add more instant coffee and mix.
    6. Spread chocolate over biscuit base and place in the fridge to set.images showing process of cooking this recipe

    My top tips for making this recipe

    • If you don't have a food processor, just put the biscuits in a sturdy plastic bag and give them a bash with a rolling pin or something else heavy.
    • Greasing and lining the baking tin is important, even though we aren't going to "bake" anything! This step will help you get your slice out of the tin once it's set. If it still won't budge, just sit the bottom of the tin in some hot water for a few seconds and it should come right out.

    Serving suggestions and ideas for add-ins

    • I have just used plain-common-all-garden coffee in the recipe, but a flavoured coffee that you enjoy would be good too.
    • You could add some chopped walnuts.
    • Serve it with...a cup of coffee!

    Other recipes you may enjoy

    Lemon and Blueberry Slice - a tangy, no bake (fridge) lemon slice with dried blueberries and a quick and simple white chocolate topping.

    No Bake Ginger Slice - a super simple no bake slice using ginger biscuits and dark chocolate.

    Caramel and Peanut Butter Slice - no bake, melt & mix bars using a block of Caramello chocolate. A caramel lover's dream!

    📖 Recipe

    pieces of slice sitting on a white plate

    Coffee Slice

    Coffee Slice - the perfect no-bake, sweet treat match for your next cup of coffee! A coffee and biscuit base with chocolate and coffee icing.
    Print Pin Rate
    Prevent your screen from going dark
    Total Time: 25 minutes minutes
    Serving: 16
    Calories: 287kcal
    Author: Lee-Ann Grace

    Ingredients

    • 250 g Arnott's Marie biscuits
    • 1 tablespoon instant coffee
    • 1 tablespoon cocoa
    • 1 tablespoon light brown sugar
    • 395 g condensed milk
    • 85 g desiccated coconut 1 cup
    • 60 g salted butter melted
    • ½ teaspoon vanilla
    • 2 tablespoon boiling water

    Chocolate Icing

    • 180 g milk chocolate
    • 40 g salted butter
    • ½ teaspoon instant coffee

    Instructions

    • Grease and line a 20 x 20 cm baking tin and set aside.
    • Process the biscuits (250g) in a food processor until fine crumbs.
    • In a small bowl, mix together the instant coffee (1 tbsp), cocoa powder (1 tbsp) and light brown sugar (1 tbsp) with boiling water (2 tbsp) to dissolve.
    • In a large bowl, place crushed biscuits, condensed milk (395g), desiccated coconut (85g/1 cup), melted butter (60g), vanilla (½ tsp) and coffee/cocoa mixture and mix well to combine.
    • Press the mixture into the greased and lined baking tin.
    • For the icing, melt the milk chocolate (180g) and butter (40g) together in the microwave (in 30 second bursts, mixing with a metal spoon between bursts). When melted, mix to incorporate the butter, then add instant coffee (½ tsp) and mix well.
    • Spread chocolate icing over the biscuit base and then place in the fridge to set.

    Notes

    • If you don't have a food processor, just put the biscuits in a sturdy plastic bag and give them a bash with a rolling pin or something else heavy.
    • Greasing and lining the baking tin is important, even though we aren't going to "bake" anything! This step will help you get your slice out of the tin once it's set. If it still won't budge, just sit the bottom of the tin in some hot water for a few seconds and it should come right out.
    *Please note that the amount of calories per serve is provided as a guide only, as ingredients and cooking methods can vary greatly*

    Reader Interactions

    Comments

    1. Mrs Christine Tickle

      June 02, 2023 at 4:32 am

      hi, I've not tried this recipe yet. I just want to ask if you could leave the coconut out?
      my mum loves coffee cake but hates coconut and I want to bake it for her.
      thank you x

      Reply
      • Lee-Ann

        June 02, 2023 at 9:26 am

        Hi! You could leave out the coconut, you would just need to either increase the amount of crushed biscuits or use less sweetened condensed milk so that the slice isn’t too sloppy. Hope this helps!

        Reply
    2. Jette

      April 25, 2023 at 12:12 am

      I like the way you put a reminder of the quantities with every instruction. Wish all recipes were lio doctor ingredients a little, didn't have everything too hand, but still tastes good!

      Reply
    3. Torie

      February 26, 2023 at 4:45 am

      I’d normally chill this before icing but that’s not what the recipe says. Thoughts?

      Reply
      • Lee-Ann

        February 26, 2023 at 10:44 am

        Hi Torie, no need to chill the base you can ice it straight away then pop the whole thing in the fridge to set!

        Reply
        • Erica S

          May 21, 2023 at 8:09 pm

          5 stars
          this was super easy and omg delicious 😋 will definitely make again 🤤

          Reply
          • Lee-Ann

            May 22, 2023 at 10:02 am

            Thanks Erica!

            Reply
    4. Karen

      February 22, 2023 at 3:30 pm

      My slice turned out well. Yet to taste it. While l was prepping it l wondered if the non-setting mixes were made with evaporated milk instead of condensed milk.

      Reply
      • Lee-Ann

        February 22, 2023 at 4:26 pm

        Hi Karen - you are probably right, come to think of it! I was a bit baffled as to how the slice wasn't setting as it should. That would explain a lot! Thank you so much for having the thought and taking the time to share it! Hope you enjoy the slice too! L x

        Reply
    5. Carolynne James

      February 04, 2023 at 4:04 am

      like Jill above I followed the recipe and put it in the fridge fir a few hours but it's just not setting hard. Still runny. when I made caramel before I did cook it. no idea why mine hasn't set. waste of ingredients

      Reply
      • Lee-Ann

        February 04, 2023 at 5:44 pm

        I’m sorry I didn’t work for you Carolynne. Did you use 250g of biscuits?

        Reply
        • Carolynne James

          February 05, 2023 at 12:57 am

          yes even a little more than 250grams I think. now it is starting to firm up 2 days later and I can add the chocolate topping so will see if it holds together. we will see.

          Reply
      • Erica S

        May 21, 2023 at 8:10 pm

        5 stars
        this was super easy and omg delicious 😋 will definitely make again 🤤

        Reply
    6. Grannies Annie

      February 01, 2023 at 9:12 pm

      5 stars
      just made this for the first time. Followed the recipe and instructions (it looks soooo good). Tasted a little of the the base and icing before assembling. yummy.... just waiting for it to set. Have got sister-in-law and brother-in-law coming over for a coffee. Can't wait to have a piece. thanks for the recipe.

      Reply
      • Lee-Ann

        February 02, 2023 at 11:01 am

        My absolute pleasure!

        Reply
    7. Joyce

      August 19, 2022 at 4:01 pm

      5 stars
      Yummiest, thanks for the recipe.

      Reply
      • Lee-Ann

        August 19, 2022 at 7:12 pm

        Pleasure!

        Reply
    8. Jan

      March 31, 2022 at 10:06 am

      Is there another biscuit to use??? I never heard of Arnott's Marie biscuits.

      Reply
      • Lee-Ann

        March 31, 2022 at 10:11 am

        Hi Jen!
        You could substitute with another plain, sweet biscuit/cookie.

        Reply
    9. Ginni Farmer

      March 31, 2022 at 7:16 am

      I can't wait to try this. I love everything coffee and chocolate. But coconut is not my friend! What can I substitute the coconut with?

      Thanks,
      Gin

      Reply
      • Lee-Ann

        March 31, 2022 at 10:14 am

        Hi Ginni! You could try substituting almond meal for the coconut, or more biscuits.

        Reply
        • Ruth Hennebert

          September 28, 2022 at 7:07 am

          l haven't make this recipe yet.l would like to know what or how much is a. 250 g by cuts and 60 g ,180 g and 40 g. thanks. Ruth

          Reply
          • Lee-Ann

            September 28, 2022 at 4:40 pm

            Hi Ruth! I'm guessing you want to measure out the weight of butter without a scale? This would depend on the size and weight of the package of butter, but I usually find that butter that is sold wrapped in paper (or foil) has weights marked on the side of the package for this purpose. These will only be approximate though. Hope this helps!

            Reply
    10. Jill

      May 28, 2021 at 2:24 am

      Surely the butter, sugar and condensed milk need to be cooked together first to go a little caramelly?! Then add the biscuits etc... I stupidly followed the recipe exactly and now have a gooey mess - what a waste 🙁

      Reply
      • Lee-Ann

        June 07, 2021 at 5:21 pm

        Hi Jill! Sorry for the late reply, the site has been undergoing some maintenance. I might look like a bit of a gooey mess, but I promise if you put it in the tin and let it set in the fridge it will no longer be a gooey mess and will taste amazing! L x

        Reply

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