1/2 cup light sour cream
4 tablespoons less fat real bacon bits
1 teaspoon garlic, minced
1/2 cup grated Parmesan cheese
1 cup reduced fat shredded cheese
1/4 teaspoon ground nutmeg
Salt and black pepper, to taste
3 medium yellow summer squash, cut in half and thinly sliced
2 large white onions, cut in quarters and thinly sliced
1 tablespoon light butter spread
Ground paprika, for garnish