Crockpot Lentil Soup

Ingredients

For 6 servings, as the recipe is written

• 2 tablespoons extra-virgin olive oil
• 1 medium yellow onion (diced)
• 4 medium carrots (peeled and cut into a ½-inch dice)
• 3 stalks celery (thinly sliced)
• 1 ½ teaspoons Italian seasoning
• 1 teaspoon kosher salt
• 1 teaspoon smoked paprika
• 1/2 teaspoon ground black pepper
• 4 cloves garlic (minced)
• 1 1/2 cups French green lentils
• 1 can fire-roasted diced tomatoes (15 ounces)
• 1 can crushed tomatoes (15 ounces)
• 4 cups low-sodium vegetable broth
• Parmesan rind (optional; add it if you have it)
• 1 tablespoon red wine vinegar
• ½ teaspoon granulated sugar
• For serving: chopped fresh parsley and Parmesan

About $2.69 a serving for the ingredients used, at today's Walmart prices.