4 eggs
1 bar (4 oz.) sweet cooking chocolate, melted and cooled
1/2 c. Bisquick baking mix
1/2 c. packed brown sugar
1/2 c. granulated sugar
1/4 c. butter (softened)
3/4 c. chopped nuts

Heat oven to 350. Grease pie plate. Beat all ingredients, except nuts, until smooth. Pour into plate; sprinkle with nuts. Bake until knife inserted in center comes out clean, 30 to 35 minutes. Cool 5 minutes. Serve with ice cream if desired.