Southwest Mashed Potatoes

Ingredients

• 8 baby red potatoes, quartered
• 2 tablespoons olive oil
• 1/2 onion, chopped
• 1/2 red bell pepper, chopped
• 1/2 orange bell pepper, chopped
• 1/2 teaspoon ground cumin
• 1/4 teaspoon chili powder
• 1/4 teaspoon garlic pepper seasoning
• salt and ground black pepper to taste
• 2 tablespoons butter
• 1/4 cup half-and-half, or more to taste
• 1/4 teaspoon ground cumin, or to taste
• 1/8 teaspoon garlic pepper seasoning, or to taste
• 1/8 teaspoon chili powder, or to taste
• 1 pinch salt to taste