Skillet Potatoes with Peppers and Onions

Bahan-bahan (4 porsi)

• 1 tablespoon olive oil
• 1 small yellow onion (diced into ½-inch pieces, about ¾ cup total)
• 3 potatoes (diced into ½-inch pieces, about 3 cups total)
• 1 large bell pepper (or equal amounts of multi-colored peppers, diced into ½-inch pieces, about 1 cup total)
• ½ teaspoon kosher salt (adjust to taste)
• ¼ teaspoon freshly ground black pepper (adjust to taste)