Ingredients
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Key Ingredients
Make It
Step 1
Preheat oven to 350° F. Grease 9-inch springform pan. Wrap foil around bottom of pan.
Step 2
Melt butter in medium skillet over medium-high heat. Add onion; cook, stirring occasionally, for 3 to 4 minutes or until onion is tender. Place in large bowl. Add beans, evaporated milk, eggs, flour, Worcestershire sauce and black pepper; stir well. Stir in cheeses. Pour mixture into prepared pan.
Step 3
Bake for 35 to 40 minutes or until knife inserted in center comes out clean. Let cool for 10 minutes. Run knife around edge of frittata; remove side of springform pan. Serve warm with tomato sauce or white (béchamel) sauce.
* To save time, 2 cans (14.5 ounces each) green beans, unheated and drained, can be substituted for the fresh or frozen beans.