Ratatouille Recipe

Name: Ratatouille Recipe
Ingredients: 4-6 ripe red tomatoes; 1 medium eggplant, diced into ½-inch cubes; 1 large red, orange, or yellow bell pepper, cut into ¾-inch squares; 1 medium-to-large zucchini, diced into ½-inch cubes; 1 large yellow squash, diced into ½-inch cubes; 5 tablespoons + 1 teaspoon extra-virgin olive oil, divided; ¾ teaspoon fine sea salt, divided, more to taste; 1 medium yellow onion, chopped; 4 cloves garlic, pressed or minced; ¼ cup chopped fresh basil; ¼ teaspoon red pepper flakes, more or less to taste; ¼ teaspoon fresh oregano; Freshly ground black pepper, to taste