Mediterranean Veggie Brunch Puff Recipe

In a large bowl, whisk the first six ingredients until blended. Place croissant pieces in a single layer in a greased 11x7-in. baking dish; top with 1/2 cup red pepper, onion and spinach. Pour egg mixture over top. Sprinkle with cheeses. Refrigerate, covered, overnight. Finely chop remaining red pepper; place in a jar with a tight-fitting lid. Add vinaigrette; shake to combine and refrigerate until serving. Preheat oven to 350 °. Remove casserole from refrigerator while oven heats. Bake, uncovered, 25-30 minutes or until a knife inserted near the center comes out clean. Let stand 5-10 minutes before cutting. Serve with vinaigrette mixture. Freeze option: Cover and freeze unbaked casserole. To use, partially thaw in refrigerator overnight. Remove from refrigerator 30 minutes before baking. Preheat oven to 350 °. Bake casserole as directed, increasing time as necessary to heat through and for a thermometer inserted in center to read 165 °.