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Cooking is fun and it’s a great way to make a tasty snack. But have you ever thought about what’s going on when you cook something? Try making some cupcakes, and you’ll pick up a thing or two about chemistry.

Safety: This activity requires a hot oven. Ask an adult for assistance. When dealing with food, use clean hands and clean equipment. Ensure cupcake batter is cooked before eating.
First aid: If you burn yourself, put the burn under cool, running water for 20 minutes.

You will need

Ingredients

• Butter
• Eggs
• Self-raising flour
• Caster sugar
• Milk
• Vanilla essence

Equipment

• Oven

  Mix the self-raising flour and sugar together, then add the milk, melted butter, eggs and vanilla essence.

• Muffin tray
• Patty pans
• Measuring cups and spoons
• Fork
• Mixing bowls
• Kitchen scales
• Metal spoon

  Spoon the mixture into half of the patty pans, leaving the other half empty.

• Microwave
• Cooling rack
• Oven mitts

What to do

1. Preheat the oven to 200°C.
2. Line the muffin tray with patty pans.
3. Use the scales to weigh out 125 g of butter. Melt the butter in the microwave and set it aside to cool.
4. Use the fork to beat 2 eggs in a small mixing bowl.
5. Mix 2 cups of self-raising flour and ³⁄₄ cup of sugar in another mixing bowl.
6. Add 2 cups of milk, the butter, eggs and 1 teaspoon of vanilla essence to the bowl containing the flour and sugar. Mix it all with a spoon.

   The patty pans, with cakes, in an oven.

   Cook the cupcakes at 200°C for 15 minutes. Remove from oven and allow to cool on a rack. Turn the oven down to 150°C and cook the remaining cupcakes for 15 minutes.

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7. Spoon the mixture into half of the patty pans, leaving the other half empty.
8. Put on you oven mitts and put the muffin tray in the oven. Bake the filled patty pans in the oven for 15 minutes.
9. Remove the cupcakes from the oven with your mitts and cool them on a cooling rack.
10. Turn the oven down to 150°C. Allow the oven and cupcakes to cool.
11. Spoon the remaining mixture into the empty patty pans. Cook these filled patty pans for 15 minutes.
12. Remove the next batch of cupcakes from the oven, allow them to cool, then compare them to the first batch. What do you observe?