Chocolate Mint Dessert

Ingredients
1 cup butter or margarine, divided
1 (10 ounce) package shredded coconut
1/4 cup packed brown sugar
1/4 cup chopped pecans
4 (1 ounce) squares unsweetened chocolate
1 1/2 cups sugar
1 (12 ounce) can evaporated milk
1 teaspoon vanilla extract
2 quarts mint chocolate chip ice cream, softened

Directions
In a skillet, melt 1/2 cup butter. Add coconut; cook and stir until golden brown. Remove from the heat. Stir in brown sugar and pecans; mix well. Set aside 1 cup. Press remaining coconut mixture onto the bottom and up the sides of a greased 13-in. x 9-in. x 2-in. dish. In a saucepan over medium heat, melt the chocolate and remaining butter. Add sugar and milk. Bring to a slow boil; cook for 5 minutes. Remove from the heat; stir in vanilla. Cool; pour over coconut mixture. Spread ice cream over top. Sprinkle with the reserved coconut mixture. Freeze for 6-8 hours or overnight. Remove from the freezer 15 minutes before serving. The dessert may be frozen for up to 2 months.