Good-Cooking - Butter Pecan Cheesecake

Ingredients

• 1 1/2 cups graham cracker crumbs
• 1/3 cup granulated sugar
• 1/3 cup butter or margarine, melted
• 1/2 cup pecans, finely chopped
• 24 ounces cream cheese, softened
• 1 1/2 cup granulated sugar
• 3 eggs
• 2 (8 ounce) containers commercial sour cream
• 1 teaspoon vanilla extract
• 1/2 teaspoon butter flavoring
• 1 cup pecans, finely chopped, toasted