Melt the butter in a large saute pan. Add the onion and red bell pepper, saute until onions are soft and translucent. Add the 2 cups baby spinach, stir until wilted, remove from heat. Add the crumbled bacon and diced cooked ham to the spinach , stir to combine. Set aside.

Beat the eggs, sour cream, salt and garlic powder until smooth. Stir in the spinach mixture and grated cheddar cheese. Pour the mixture into a buttered casserole dish, sprinkle the top with grated Parmesan cheese. Bake uncovered at 350 degrees for about 40 minutes or until center of casserole is set and toothpick inserted into the center comes out clean.