Quiche

• Thaw puff pastry (use 2/3 of a sheet for 2 meal sized quiches)
• Preheat oven to 375
• Cook about a handful of onion (optional), and any other additives (such as spinach, bacon, etc) in a saucepan with a little bit of oil or butter until translucent. 
• Mix 3 eggs, 1.5 cups milk, and 1.5 cups (about a handful) cheese in a large bowl, beating the eggs first then adding the rest. 
• Add 1/4 teaspoon (about 3 pinches) salt (hold the salt if you use bacon or another pork product), and 1/4 teaspoon pepper, as well as 3 tsp flour. 
• Mix in onions and other stuff and pour mixture into two casserole dishes
• Top with puff pastry and cook in oven on a baking sheet for 30-40 minutes until pastry is puffy and golden brown.