The phrase "to add the marinade" means to pour or put a flavored liquid mixture over meat, vegetables, or other food items in order to enhance their taste and tenderize them.
Sentences with «to add the marinade»
Add marinade ingredients to a blender and blend until smooth. (veggiesouls.com)
Toss them together and then add the marinade mix that you set aside earlier and toss again. (strawberriesforsupper.com)
I just reduced it in the pan before adding the marinade. (epicurious.com)