Eggplant:

• 1 medium eggplant, cut into 1-inch cubes
• 1 teaspoon salt, plus more for seasoning

Vegetables:

• 1/4 cup olive oil, divided
• 1 medium red onion, cut into 1/2-inch pieces
• 2 red or yellow bell peppers, or a combination, cut into 1/2-inch pieces
• 2 medium zucchini, cut into 1-inch pieces
• 2 medium yellow squash, cut into 1-inch pieces
• 3 large plum tomatoes, seeded and coarsely chopped
• 4 cloves garlic, minced

Seasonings:

• 1/2 cup dry white wine
• 1 can (15-ounce) crushed tomatoes
• 1 bay leaf
• 1 heaping teaspoon dried oregano
• 1/2 teaspoon crushed red pepper flakes
• Freshly ground black pepper, to taste
• 1/4 cup thinly sliced fresh basil