Savory Bread Pudding

Ingredients

• 6 small tomatoes, about 1/2 lb
• 7 eggs
• 2 cups milk
• 12 cup sour cream
• 1 cup grated cheddar cheese (or a combination, about 1/4 lb) or 1 cup monterey jack cheese (or a combination, about 1/4 lb)
• 14 cup grated parmigiano-reggiano cheese (about 1 ounce)
• 1 12 tablespoons coarse Dijon mustard
• salt
• fresh ground black pepper
• 1 lb challah, cut in 3/4-inch cubes
• 14 lb bacon, cooked crispy and crumbled
• 1 cup frozen peas