INGREDIENTS
1 cup
unsalted butter, divided, one at room temperature, the other for browning as per the instructions below
2 3/4 cups
all purpose flour
2 tsp
cream of tartar
1 tsp
baking soda
1/4 tsp
salt
1 1/2 cups
sugar
2
eggs
1/2 cup
toffee bits (like Heath Bits O'Brickle)
3 tbsp
sugar
3 tsp
cinnamon