3 and crustless quiche squares Recipes

eggs, milk, basil, onion flakes or 1/4 cup sauteed onion, salt , pepper to taste, shrimp or 1/2-1 cup crabmeat or 1/2-1 cup ham or 1/2-1 cup bacon or 1/2-1 cup broccoli or 1/2-1 cup mushroom, whichever you prefer, grated cheddar cheese or 1 cup swiss cheese

extra-virgin olive oil, divided, onion ) thinly sliced yellow, button mushrooms, thinly sliced, salt, freshly ground black pepper, divided, eggs, reduced-fat milk, freshly grated nutmeg, shredded swiss cheese, frozen chopped spinach, thawed and squeezed to remove as much liquid as possible