🍲 Recipes

🍽️

Red Onion Tart

By Syd • Breakfast Eggs • Cuisine?
5.00 Prep: 25m Cook: 35m
Ingredients:
  • 1 (.25 ounce) package active dry yeast
  • 1 pinch white sugar
  • ½ cup warm water
  • 1 egg, at room temperature
  • 3 tablespoons butter, at room temperature
  • 2 ½ cups all-purpose flour
  • 1 teaspoon salt
  • 2 teaspoons lemon zest
  • ½ teaspoon vegetable oil
  • ½ red onion, sliced
  • 1 cup shredded Gouda cheese
  • ½ cup grated Parmesan cheese
  • 2 jarred roasted piquillo peppers, diced
  • ¼ teaspoon ground black pepper to taste
  • 2 eggs
  • 1 ½ cups heavy cream
  • ¼ teaspoon stone-ground mustard
Created: Sep 23, 2025 Updated: Sep 23, 2025