One Bowl Homemade Chocolate Chunk and Toffee Chip Brownies

INGREDIENTS

stick/8 tablespoons unsalted softened butter

1 1/2 cups

semi-sweet chocolate chips

1 cup

all-purpose Gold Medal Flour

1/4 tsp

kosher salt

1/2 cup

granulated sugar

1/2 cup

packed light brown sugar

large eggs plus 1 egg yolk

2 tbsp

vegetable oil

2 cups

chocolate chunks

8 oz

bag milk chocolate toffee chips