1. In large non-stick skillet over medium heat, melt 1/2 tablespoon of the butter. Add the chopped spinach and cook and stir until spinach is wilted. Put spinach into a strainer to drain and cool slightly. When spinach is cool enough to handle, squeeze out excess liquid.

2. In a small saucepan over medium heat, melt remaining 2 tablespoons butter. Add flour and stir until bubbly. Add milk and cook and stir until mixture thickens. Set aside to cool slightly.

3. In a small bowl, combine cottage cheese, baking powder, and salt. Set aside.

4. In a large bowl, beat eggs with electric mixer on low speed, just until blended. Add cream cheese, cottage cheese mixture, and thickened milk mixture. Beat on high speed until well-blended. Batter will be lumpy.

5. Stir in mozzarella cheese and spinach. Pour into a greased 10-inch glass pie plate. Bake at 350 degrees for 30-40 minutes, until quiche is set in the middle and tests done with a toothpick. Quiche will be browned on top and still moist inside. Cut into six slices and serve warm.