Maple Walnut Pie Recipe

Ingredients

• 1 (9 inch) unbaked pie crust
• 0.5 cup brown sugar
• 2 tablespoons all-purpose flour
• 1.25 cups maple syrup
• 3 tablespoons butter
• 0.25 teaspoon salt
• 3 eggs
• 1.5 teaspoons maple flavored extract
• 1 cup walnut halves