INGREDIENTS
1 Cup
butter
1 Cup
granulated sugar
2/3 Cup
light-brown sugar
1
egg
1/2 Teaspoon
vanilla extract
1 1/2 Cups
flour
1 Teaspoon
coarse salt
1/2 Teaspoon
baking powder
1/4 Teaspoon
baking soda
3 1/2 Cups
rice krispies
2/3 Cup
chocolate chips
1 1/4 Cups
marshmallows