Ratatouille Galette - Petites Choses

Ingredients

• 1 sheet of shortcrust pastry
• 250 g ricotta
• Zest of 1 lemon
• caramelized onions (made from 2 large onions, recipe available on www.petites-choses.com)
• 1 large eggplant, thinly sliced
• 1 large zucchini, thinly sliced
• 2–3 ripe plum tomatoes, thinly sliced
• Olive oil
• Dried oregano (or fresh thyme)
• Salt and black pepper
• 1 egg, beaten (for egg wash)