1. In 300 degree oven, on baking sheet, spread bread cubes. Bake 20-30 minutes or until dry. 2. Spray crock pot with cooking spray or butter 3. Melt butter. Cook mushrooms until tender. 4. Beat eggs, half and half, and half of cheese. Add bacon or sausage, pepper, part of parsley. Fold in bread cubes; Stir to coat. Spoon mixture into slow cooker. 5. Cover and cook on low setting 4-5 hours or High 2-3 hours or until inner temperature reaches 160 degrees in center, and egg mixture is set. 6. Sprinkle reserved cheese and remaining parsley over top. Cover and cook about 10 minutes longer or until cheese is melted. 7. Serve. Very good with diced tomatoes, salsa, sour cream.