1 pie crust 1 Tbsp butter (or oil) 1 large onion, chopped 10-12 oz mushrooms, chopped 1 tsp salt 1 tsp dry mustard powder 1/2 tsp pepper 1/4 tsp thyme 4 large eggs 1.5 cups milk (non-dairy is fine) 2 Tbsp flour 1.5 cups grated cheese (any kind) 1 cup minced spinach (or frozen, thawedContinue reading “Vegetable Quiche”