Ingredients (1 large mug cake)

• 4 tbsp all-purpose flour

• 2 tbsp cocoa powder

• 3 tbsp sugar

• ¼ tsp baking powder

• Pinch of salt

• 3 tbsp milk

• 2 tbsp vegetable oil (or melted butter)

• 1 tbsp chocolate chips (plus extra for topping)

• 1 tbsp chopped walnuts (optional)

• 1 tbsp Nutella or chocolate spread (for lava center)

For garnish (optional):

• Extra chocolate chips

• Chopped walnuts

• Caramel drizzle

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Instructions

1. Mix dry ingredients: In a large, microwave-safe mug, whisk together flour, cocoa, sugar, baking powder, and salt.

2. Add wet ingredients: Stir in milk and oil until smooth.

3. Add chocolate: Fold in chocolate chips and walnuts.

4. Create lava center: Drop 1 tbsp Nutella or chocolate spread in the center and push it slightly down.

5. Microwave: Cook for 1–1½ minutes (depending on your microwave). The top should look set but still soft in the middle.

6. Top it off: Sprinkle more chocolate chips and walnuts on top. Drizzle with caramel if desired.

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✨ Result: A warm, gooey, lava-style chocolate cake ready in just minutes — perfect for autumn nights with a cup of coffee or hot cocoa.