8. sınıf ingilizce 3. ünite In the Kitchen (Mutfakta) Test 1

Look at the recipe step: "Add two cups of milk and stir until the mixture is smooth."
What is the main purpose of the verb 'stir' in this instruction?

A) To heat the mixture
B) To combine ingredients evenly
C) To separate solid and liquid parts
D) To cool down the mixture