• Step 1

  Preheat oven to 425 degrees. Spray 9-inch round cake pan with cooking spray; set aside.

• Step 2

  Toss tomatoes, zucchini, onions, olive oil, 1 tsp salt, and 1/4 tsp pepper in large bowl. Arrange in single layer on parchment paper-lined baking sheet. Roast about 20 min, turning once halfway through, until lightly browned and tender. Set aside. Reduce oven temp to 350 degrees.

• Step 3

  Pour vegetable mixture into pan; top evenly with basil. Set aside.

• Step 4

  Add eggs, cheese, remaining salt, and remaining pepper to bowl; whisk to combine. Pour over vegetable mixture.

• Step 5

  Bake, uncovered, about 25 min until internal temp reaches 165 degrees (check by inserting thermometer halfway into egg mixture). Remove from oven; let cool 5 min.

Note: When servings & ingredients are modified, nutrition & directions may vary.