Nasi Panggang Sebatang Mentega

Bahan-bahan (8 porsi)

• 1 cup long grain rice, (not instant)
• 1 (10 ons )kaleng sup bawang Perancis ((Campbell's))
• 1 (14,5 ons) kaleng kaldu sapi
• 1/2 cup unsalted butter, (sliced)