Creamy Lentils and Shells - Monkey and Me Kitchen Adventures

Name: Creamy Lentils and Shells - Monkey and Me Kitchen Adventures
Ingredients: Scale; 1 medium yellow onion, fine dice; 2 Tablespoons minced garlic; 2 Tablespoons GF flour; ½ cup low-sodium vegetable broth; 1 cup water; 1 – [ 15 oz. can ] tomato sauce; ½ cup unsweetened plain plant milk; ¼ cup nutritional yeast; ½ teaspoon pure maple syrup; 1 – [ 14 oz. can ] brown lentils, drained and rinsed; ¼ teaspoon baking soda; 1 teaspoon onion powder; 1 teaspoon garlic powder; 2 Tablespoons dried minced onions; 1 teaspoon Italian seasoning; 1 teaspoon dried basil; 1 ½ teaspoon dried oregano; ½ to 1 teaspoon sea salt; ¼ teaspoon black pepper; Pinch red pepper flakes (optional); Other; 12 oz. GF shells pasta (or pasta of choice); Optional Toppings; Freshly chopped parsley