Kielbasa dan Sauerkraut

Bahan-bahan (4 porsi)

• 1 tbsp olive oil
• 1 pkg Polish kielbasa ((sliced into 1/2" pieces))
• 1 tbsp mentega
• 1 medium yellow onion, (sliced)
• 2 bell peppers, (sliced (any color))
• 2 tsp garlic, (minced)
• 2 cups sauerkraut, (undrained)
• garam dan merica secukupnya