Alabama Chocolate-Praline Jumbo Christmas Mud Squares
["3/4 c. graham cracker crumbs", "3/4 c. finely chopped pecans", "1/4 c. firmly packed brown sugar", "1/4 c. butter or margarine, melted", "1 (12 oz.) jar commercial caramel topping", "3 Tbsp. flour", "1 c. butter or margarine", "4 (1 oz.) sq. unsweetened chocolate", "1 1/2 c. sugar", "1 c. flour", "4 eggs", "1 tsp. vanilla", "Chocolate Frosting (see below)", "sifted powdered sugar (optional)", "pecan halves (optional)", "candied cherries (optional)"]
["Combine the first 4 ingredients, stirring well.", "Press crumb mixture into bottom of a greased 9-inch square pan.", "Bake at 350\u00b0 for 6 to 8 minutes.", "Cool slightly."]
["graham cracker crumbs", "pecans", "brown sugar", "butter", "flour", "butter", "unsweetened chocolate", "sugar", "flour", "eggs", "vanilla", "Chocolate Frosting", "powdered sugar", "pecan", "candied cherries"]