Instant Pot Meatloaf

Bahan-bahan (6 porsi)

• 3 pounds kentang russet (dikupas dan dipotong empat)
• 1 cup air
• 2 pounds daging giling tanpa lemak
• 1 small bawang bombay dicincang
• 3 tablespoons peterseli segar dicincang
• ¾ cup Remah roti Italia
• ½ cup susu
• 1 tablespoon saus Worcestershire
• 2 large telur
• 1 teaspoon bubuk bawang putih
• garam dan merica
• ¼ cup saus tomat
• 1 tablespoon cuka balsamic
• 1 tablespoon gula merah
• ½ cup susu
• ¼ cup mentega
• salt to taste