English Toffee Bars

Bahan-bahan (36 porsi)

• 2 cups all-purpose flour
• 1 cup lightly-packed brown sugar
• 1/2 cup (1 stick) butter
• 1 cup pecan halves
• 1 cup chocolate chips (milk, bittersweet or dark)
• 2/3 cup butter
• 1/3 cup lightly-packed brown sugar