- 1 puff pastry pie crust package
- 2 tablespoons mild mustard
- 1 onion, minced
- 1 red onion, minced
- 3.5 ounces shredded cheese
- In a bowl, mix the onions with the mustard, salt, pepper and oregano.
- Place the onion mixture on one of the pie crusts and sprinkle with shredded cheese.
- Cover with the other pie crust, press lightly, cut into thin ribbons and twist.
- Bake at 400 degrees for 15 minutes.