Hidden Veggies Marinara Sauce

Bahan-bahan (4 porsi)

• 2 tablespoons olive oil, divided
• 2/3 cup diced white onion
• 1 large carrot, diced
• 1 medium red bell pepper, diced
• 1 medium zucchini, diced
• 5 large garlic cloves, minced
• 1 (6-ounce) can tomato paste
• 1 cup cooked white beans, rinsed and drained (Great Northern, cannellini, navy beans, etc)
• 1 teaspoon each: dried oregano, fine sea salt
• 1/2 teaspoon freshly-ground black pepper
• 1 cup (1 ounce) freshly-grated Parmesan cheese