Easy Vegan Corn Chowder

Name: Easy Vegan Corn Chowder
Ingredients: 1 tablespoon neutral oil; 1 yellow onion, peeled and diced; 1 red bell pepper, trimmed, seeded, and diced; 1 jalapeño, trimmed, seeded, and minced; 2 tablespoons plant-based butter; 1 tablespoon paprika; 2 teaspoons garlic powder; 1/2 teaspoon cayenne powder, optional; 2 tablespoons flour; 4 cups water or vegetable stock; 1½ pounds large, ripe tomatoes, grated on a box grater; or use a 14.5-ounce can crushed tomatoes; 2 ears of corn, shucked; cob reserved; 2 large russet potatoes, peeled and medium-diced; 15- ounce can cannellini beans, drained and rinsed; ¼ cup loosely packed parsley, minced; ¼ cup plant-based heavy cream or coconut milk, optional; Salt and pepper to taste