Crescent Beef Casserole Recipe: How to Make It

Ingredients

• 1 pound lean ground beef (90% lean)
• 2 teaspoons olive oil
• 1 cup diced zucchini
• 1/4 cup chopped onion
• 1/4 cup chopped green pepper
• 1 cup tomato puree
• 1 teaspoon dried oregano
• 1/4 teaspoon salt
• 1/8 teaspoon pepper
• 1-1/2 cups mashed potatoes
• 1 cup (4 ounces) crumbled feta cheese
• 1 tube (8 ounces) refrigerated crescent rolls
• 1 large egg, beaten, optional