10 Delicious Desserts Perfect for a 20x20 cm Baking Tin

Using a 20×20 cm baking tin is ideal for making small-batch desserts that are easy to portion and perfect for sharing. These recipes range from rich brownies to fruity bars, all designed to fit this compact size without compromising on taste or texture.

Ingredients

Classic Chocolate Brownies: 120g unsalted butter, 150g caster sugar, 2 large eggs, 75g plain flour, 30g cocoa powder, 100g dark chocolate, pinch of salt
Lemon Drizzle Cake: 140g unsalted butter, 140g caster sugar, 2 large eggs, 140g self-raising flour, zest of 1 lemon, juice of 1 lemon, 85g icing sugar
Apple Cinnamon Crumble Bars: 150g plain flour, 100g rolled oats, 100g brown sugar, 125g unsalted butter, 2 medium apples (peeled and chopped), 1 tsp cinnamon
Peanut Butter Blondies: 125g unsalted butter, 150g light brown sugar, 1 large egg, 100g plain flour, 1/2 tsp baking powder, 100g peanut butter
Berry Cheesecake Bars: 150g digestive biscuits, 75g melted butter, 200g cream cheese, 50g caster sugar, 1 egg, 100g mixed berries
Carrot Cake Squares: 150g grated carrot, 100g caster sugar, 2 eggs, 100g self-raising flour, 50g chopped walnuts, 1 tsp cinnamon
Banana Bread Bites: 2 ripe bananas, 75g caster sugar, 1 egg, 125g plain flour, 1/2 tsp baking soda, 30ml vegetable oil
Chocolate Chip Cookie Bars: 150g unsalted butter, 150g brown sugar, 1 egg, 200g plain flour, 1/2 tsp baking powder, 150g chocolate chips
Orange Polenta Cake: 120g fine polenta, 100g caster sugar, 120g unsalted butter, 2 eggs, zest and juice of 1 orange, 1 tsp baking powder
Salted Caramel Brownies: 120g unsalted butter, 150g dark chocolate, 150g caster sugar, 2 eggs, 75g plain flour, 100g caramel sauce, flaky sea salt

Instructions

Prepare the baking tin: Grease your 20×20 cm tin with butter or line it with parchment paper, ensuring the paper extends slightly over the edges for easy removal.
Choose your recipe: Follow the specific ingredient list and method for the dessert you want to make. Most recipes start by melting butter and/or chocolate and mixing wet ingredients separately from dry.
Mix wet and dry ingredients: Combine the wet ingredients (butter, eggs, sugar) with the dry ingredients (flour, baking powder, spices) until just incorporated to avoid overmixing, which can toughen the final product.
Add extras: Stir in any additional elements like nuts, chocolate chips, fruit, or zest depending on the recipe.
Pour batter into the tin: Spread the mixture evenly in your prepared tin, smoothing the top with a spatula for uniform cooking.
Bake: Place the tin in a preheated oven (usually between 170°C to 180°C / 340°F to 350°F) and bake for the time specified in your recipe, typically 20-35 minutes, until a skewer inserted comes out clean or with just a few moist crumbs.
Cool completely: Allow the dessert to cool in the tin for 10-15 minutes, then lift it out using the parchment paper and transfer to a wire rack to cool fully. This prevents sogginess and helps set the texture.
Finish and serve: For some recipes, add toppings like icing, glaze, or a dusting of powdered sugar once cooled.

Tips

Substitutions: Use dairy-free butter or margarine to make recipes vegan-friendly. Swap plain flour for gluten-free flour blends for gluten sensitivity, but expect slight texture differences.
Storage: Most baked desserts keep well in an airtight container at room temperature for 2-3 days or refrigerated for up to a week. Some fruit-based bars may last longer refrigerated.
Common mistakes: Avoid overbaking to prevent dryness—start checking 5 minutes before the recommended time. Overmixing batter can lead to dense texture, especially in cakes and brownies.
Even baking: Rotate the baking tin halfway through cooking to ensure even heat distribution, especially if your oven has hot spots.

Serving Suggestions

These desserts are versatile and can be served warm or cold. Brownies and blondies are lovely with a scoop of vanilla ice cream or a drizzle of chocolate sauce. Fruit bars pair well with whipped cream or a dollop of Greek yogurt. For cheesecakes and dense cakes, a fresh berry compote or citrus glaze brightens the flavor. Cut into small squares for sharing at parties, or plate with a dusting of powdered sugar and fresh mint leaves for an elegant touch.

Variations

Feel free to customize these recipes to suit your taste or dietary needs. For example, add chopped nuts or dried fruit to your brownie or blondie mix for extra texture. Swap lemon zest for orange or lime in drizzle cakes for a different citrus profile. Use seasonal fruits like pears or plums in crumble bars. For a richer flavor, replace some butter with cream cheese in the batter or swirl caramel or nut butter through brownies before baking. Experiment with spices such as cardamom or ginger in carrot cake or banana bread for a warming twist.

Storage and Reheating

Store baked desserts in airtight containers. At room temperature, they typically last 2-3 days; refrigerated, 5-7 days is safe for most. For fruit-based bars or cheesecakes, refrigeration is recommended to prevent spoilage. Freeze well-wrapped desserts for up to 3 months—thaw overnight in the fridge before serving. To reheat, warm brownies or bars in a low oven (150°C/300°F) for 5-10 minutes or microwave in short bursts to restore softness without drying them out.

Frequently Asked Questions

Can I use a different sized baking tin?
Yes, but cooking times and batter quantities will change. If using a larger tin, your dessert will be thinner and cook faster; a smaller tin will produce thicker desserts needing longer baking. Adjust accordingly and monitor closely.

Do I need to line the tin with parchment paper?
Lining the tin makes it easier to remove delicate desserts without breaking, especially brownies and bars. If you don’t have parchment, greasing thoroughly works but be gentle when removing.

How do I know when my dessert is done?
Insert a toothpick or skewer into the center. For fudgy brownies, a few moist crumbs are okay; for cakes or bars, it should come out mostly clean. Avoid overbaking to keep moistness.

Can these recipes be made gluten-free?
Yes, by substituting plain or self-raising flour with a gluten-free blend designed for baking. Some recipes may benefit from added xanthan gum to improve texture.

What’s the best way to cut brownies or bars neatly?
Allow your dessert to cool completely and chill it in the fridge for 30 minutes before cutting. Use a sharp knife wiped clean between cuts for clean edges.

Can I make these desserts ahead of time?
Absolutely. Many of these recipes can be baked a day or two in advance and stored covered at room temperature or refrigerated. Some, like cheesecake bars, improve with chilling as flavors meld.

With these easy recipes and tips, your 20×20 cm baking tin becomes a tool for crafting a variety of delicious desserts perfect for any occasion.

10 Delicious Desserts Perfect for a 20×20 cm Baking Tin