Quiche Cups

10 ounces frozen spinach 3 eggs (or liquid substitute) 3/4 cup mozzarella cheese 1/4 cup carrot (chopped or diced) 1/4 cup yellow pepper (chopped or diced) 1[...]

4 slices prosciutto , fat trimmed, cut in half 2 egg whites 1 whole egg 3 tablespoons nonfat plain Greek yogurt 1 tablespoon chopped black olives 1/2 teaspoon[...]