Place the frying pan on the stovetop. Keep the flame low. Put the butter or cooking oil into the frying pan and heat it. Add garlic paste and sauté it slightly, just to remove the raw smell of the garlic.
Add all-purpose flour and fry it slightly, too. Keep in mind that all-purpose flour is to be fried slightly. Don’t try to make it brown.
Now pour in the milk. Stir constantly while adding the milk to prevent making the lumps.
Add cream and dissolve it. After mixing it well, include mayonnaise and stir it.
Now season it with salt, black pepper powder, white pepper powder, and ground dry basil leaves. Stir constantly to make a uniform paste. Keep the flame low.
Stir it as shown in the video. By stirring this way (stirring cum grinding while keeping the spoon flat), no lumps are formed.
Thicken the sauce till you get the paste consistency.
When the creamy white sauce is ready, turn off the flame and remove the frying pan from the stovetop and let it cool.
Let the sauce cool and pour it into the sauce bottle or freezer-safe jar, and refrigerate it for later use. We can use it for many days.