Preheat oven to 350F.

Line a 13X9X2 baking pan with tin foil and lightly spray with cooking spray.

Whisk together flour, cocoa, baking powder and salt in a medium bowl.

Melt butter and sugar in a large saucepan and let cool slightly.

Whisk in egg and vanilla, and then flour mixture.

Fold in skor bits, 1/2 cup of coconut, 1/2 cup of walnuts, and chocolate chips

Spread into prepared pan.

Sprinkle remaining coconut and walnuts on top.

Bake in oven 25 to 30 minutes until set in centre. Let cool, and then remove by lifting out by tinfoil. Cut into squares and serve.