Super Fudgy Homemade Brownies

Bahan-bahan (9 porsi)

• 12 Tbsp butter (salted) ($1.32)
• 2 Tbsp cooking oil ($0.08)
• 3/4 cup unsweetened cocoa powder ($0.42)
• 1 1/4 cup granulated sugar ($0.20)
• 2 large eggs ($0.42)
• 2 tsp vanilla extract ($0.56)
• 1/4 tsp salt ($0.01)
• 3/4 cup all-purpose flour ($0.05)
• 1/2 cup chocolate chips ($0.83)