Potato Cake (Oat Crumble Cake)
A no-bake homemade cake made with crushed oat biscuits, cocoa powder, sweetened condensed milk, and walnuts. Perfect for small festive servings.
- Time
- 20 min
- Serving
- 450 kcal
- Ingredients
- ≈ $0.99
- Protein
- 7 g
Ingredients
- 1 Oat cookiespack 300 g ≈ $3.00 45 g
- 2 Sweetened condensed milkpack 380 g ≈ $2.50 25 g
- 3 Butterpack 180 g ≈ $1.58 12 g
- 4 Cocoa powder 5 g
- 5 Walnutspack 150 g ≈ $4.00 10 g
- 6 Vanilla sugar 1 g
Grey rows are pantry staples: salt, oil, spices. They are not counted in the serving price.
Method
Crush the oat1 biscuits into fine crumbs.
Chop the walnuts5 finely and mix with the crumbs, cocoa powder, and vanilla sugar.
Add softened butter3 and sweetened2 condensed milk, mixing until the dough is thick and pliable.
Shape into 1–2 small oval cakes.
Roll in a little extra cocoa and chill for 15 minutes to firm up.
Tips
- Why it works
- Chill for 15 minutes so the mixture doesn't spread when you roll it in cocoa. If you don't let it set, the pastry falls apart.
- Substitutions
- Use pine nuts or almonds (10 g) instead of walnuts. Use Yubileynoye or Maria biscuits (40 g) instead of oatmeal cookies.
- Common mistakes
- If the mixture is too runny, add another 10 g of cookies. Check the consistency after mixing with the butter.
- Storing and reheating
- Keep 2 days in the fridge, wrapped in cling film. Don't freeze, eat fresh.
- Serve with
- Serve with tea or at a birthday instead of a cake.
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