photo: mommyskitchen.net

1 cup margarine, softened
1-1/4 cups sugar
2 eggs
1-1/4 cups tofutti sour cream
2-1/2 cups flour
1 teaspoon vanilla extract
1 teaspoon baking powder
1 teaspoon nutmeg
½ teaspoon baking soda

Streusel:
¾ cup chopped toasted pecans
¾ cup miniature chocolate chips
1/3 cup sugar
1/3 cup brown sugar
1-1/2 teaspoons cinnamon

Preheat oven to 325 degrees. Greased a 13x 9-inch baking pan. Cream together margarine and sugar. Add eggs, one at a time, beating well after each addition. On low speed, add sour cream and vanilla and then dry ingredients. Pour half the batter into prepared pan. Combine streusel ingredients and sprinkle half over batter. Cover with remaining batter and then remaining streusel. Bake for about 45 minutes. Cool on wire rack.