Make M&M cookie bars

Makes 20 cookie bars
You will need:
- 250g plain flour
- ½ tsp baking powder
- ½ tsp baking soda
- ½ tsp salt
- 150g butter, softened
- 100g caster sugar
- 130g light brown sugar
- 1.5 eggs, lightly beaten
- 1.5 tsp vanilla extract
- 150g M&Ms
- 75g mini chocolate chips
Method
1. Preheat the oven to 180C. Grease and line a 20cm square baking tin.
2. Put the butter and both sugars in a large bowl. Use a handheld mixer to beat together until light and creamy. Add the egg and vanilla extract. Mix to combine.
3. Slowly add the flour, baking powder, baking soda and salt and mix until fully combined.
4. Stir in the M&Ms and chocolate chips.
5. Pour the mixture into your prepared tin and press into an even layer.
6. Bake in the oven for 18-20 minutes until a skewer inserted into the middle comes out clean.
7. Allow to cool in the tin for 10 minutes, then turn out onto a cooling rack. Once fully cooled, cut into squares and serve.