---BATTER--- 1 cup margarine

1 cup sugar

2 eggs

1/2 teaspoon salt

2 cups flour

2 teaspoons baking powder

---CHEESE FILLING MIXTURES--- 2 packages (8 oz ez.) cream cheese

1 egg

1/2 cup sugar

1 teaspoon vanilla

---STREUSEL TOPPING--- 1/4 cup sugar

1/4 cup flour

2 tablespoons margarine

Preheat oven to 350 degrees. For batter, cream margarine and sugar. Add eggs and beat well. Add dry ingredients. Stir to combine. Spread 2/3 of batter into flat bottom of springform pan. Blend cheese filling ingredients. Spread evenly over batter. Spread remaining batter on top. Mix the streusel topping to a coarse crumb texture. Sprinkle the streusel on top. Bake for 45 minutes.