INGREDIENTS
1/2 cup
butter (1 stick), at room temperature
1/2 cup
creamy peanut butter
3/4 cup
packed brown sugar
1
large egg yolk
1 1/2 cups
flour
1/2 cup
quick oats
1/4 tsp
salt
3
cups chocolate chips
1 cup
toffee baking pieces (Hershey's Heath brand)