European Kitchen - Grilled tomato tart with ricotta

Recipe Ingredients:

- 4 tomatoes, sliced- Salt and black pepper- 1 puff pastry sheet- 3 tablespoons sour cream- 1 red onion, thinly sliced- Red pepper flakes for garnish- 1 cup ricotta cheese- Pesto for topping- Olive oil for drizzling- Fresh basil leaves for garnish