Chipotle Mashed Sweet Potatoes

Bahan-bahan (6 porsi)

• 2 lbs sweet potatoes (about 2 medium, $1.69)
• 2 Tbsp milk ($0.04)
• 2 Tbsp butter ($0.10)
• 2 Tbsp brown sugar ($0.04)
• 2 peppers chipotle peppers in adobo ($0.20)
• secukupnya garam dan merica ($0,05)