Savory Breakfast Tart Recipe

Ingredients

• 1 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 8 tablespoons butter
• 4 tablespoons ice water
• 1/4 lb gruyere cheese
• 1 tablespoon olive oil
• 1 large yellow onion
• 1/4 cup bacon bits
• 2 egg yolks
• 1 egg
• 1 cup heavy cream
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon nutmeg
• 1 large red onion
• 1 garlic clove
• 1/2 cup Granny Smith apples
• 28 ounces crushed tomatoes
• 1/4 cup balsamic vinegar