Ingredients 1 large sweet onion, halved and thinly sliced 1 large red bell pepper, diced 1 large Yukon gold potato, peeled and diced 2 tablespoons olive oil 1 (8-oz.) Brie round* 1 (12-oz.) package sourdough bread loaf, cubed 1 cup (4 oz.) shredded Parmesan cheese 8 large eggs 3 cups milk 2 tablespoons Dijon mustard […]