INGREDIENTS
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Yield: Serves 4, but easily doubled in a 9 by 13-inch casserole.
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1/4 cup chopped dry-packed sundried tomatoes
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1 tablespoon butter
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1 small onion, finely chopped
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1 clove garlic, minced
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6 ounces frozen spinach, thawed
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1/2 cup chopped roasted red peppers
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1/2 teaspoon salt, divided
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5 cups cubed French or Italian bread, crusts removed (about 1/2 pound)
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4 large eggs
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1 cup milk
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1/4 cup heavy cream
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1 tablespoon Dijon mustard
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Pinch freshly ground pepper
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1/3 cup ricotta
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1 cup gruyère, grated
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1/2 cup parmesan, finely grated