Eggplant Rolls with Spicy Tomato Sauce

Ingredients

• 1 garlic clove (, minced)
• 1/4 teaspoon dried hot red pepper flakes
• 7 tablespoons olive oil
• 2 lbs tomatoes (, chopped)
• 1/2 teaspoon sugar
• 1 teaspoon salt
• 1 (1 1/4-lb) eggplant
• 12 1/2 oz ricotta ((preferably fresh; 1 1/2 cups))
• 1 1/2 oz finely grated Parmigiano-Reggiano ((1/2 cup))
• 3 tablespoons finely chopped fresh basil
• 1/4 teaspoon black pepper