Fiesta Quinoa Bowl

Ingredients

• 1 tablespoon olive oil
• 14.5 oz can diced tomatoes, with liquid
• 1/2 green bell pepper, chopped
• 1.25 cups vegetable stock
• 1 small onion, chopped
• 1 teaspoon salt
• 1 cup uncooked quinoa, rinsed
• 1 cup whole kernel corn
• 2 garlic cloves, minced
• 1 avocado, sliced
• 1/4 cup chopped red onion
• 15 oz can black beans, drained and rinsed
• 1/4 teaspoon black pepper
• 1/2 cup shredded cheese
• 1 tablespoon unsalted butter
• 3 teaspoons taco seasoning