Hancurkan Burger

Bahan-bahan (4 porsi)

• 1 lb daging giling* ($6,99)
• 4 Tbsp frozen salted butter, divided* ($0.56)
• 3 tsp Bumbu Burger Buatan Sendiri ($0,33)
• 4 burger buns ($2.99)
• 4 leaves iceberg lettuce ($0.37)
• 1 tomato, sliced into thin rounds ($0.45)
• 1/4 small red onion, sliced into thin rounds ($0.16)