Resep saus (rasanya seperti KFC - tapi sejuta kali lebih enak!)

Bahan-bahan (6 porsi)

• 1 chicken stock cube / bouillon cube ((sub 2 tsp powder) (Note 1))
• 1 beef stock cube / bouillon cube ((sub 2 tsp powder) (Note 1))
• 2 1/4 cups (565ml) boiling water
• 60 g / 4 tbsp butter (, unsalted)
• 4 tbsp flour (, plain / all purpose)
• 1/2 tsp onion powder ((ok to omit or sub garlic powder))
• 1/4 tsp finely ground black pepper
• Salt (, if needed)