- 2 tablespoons olive oil
- 2 tablespoons butter
- 1 large onion, diced
- 3 tablespoons all-purpose flour
- 5 cups vegetable broth
- 2 large russet potatoes, cut into 1/4-inch pieces
- 4 cups corn kernels
- 1/2 cup diced red bell pepper
- 1/2 cup diced green bell pepper
- 1 cup half-and-half
- 1/4 teaspoon ground black pepper
- salt to taste
- Heat olive oil and butter in a Dutch oven over low heat. Add onion; cook until tender, about 10 minutes. Sprinkle flour over onion; cook and stir until onion is coated, about 5 minutes.
- Stir vegetable broth and potatoes into the onion mixture; bring to a boil. Reduce heat to medium; cook partially covered until potatoes are tender, about 10 minutes. Add corn, red pepper, green pepper, half-and-half, ground black pepper, and salt. Reduce heat to low; cook and stir until corn is softened, about 8 minutes.