"Leek mixture" refers to a combination of cooked or raw leeks that have been mixed together with other ingredients, such as herbs, spices, or other vegetables, to create a flavorful blend. Full definition
Working in batches, purée leek mixture in a blender until very smooth (make sure lid is slightly ajar to let steam escape; cover with a towel). (bonappetit.com)
Spread leek mixture over the bottom of the pie crust then evenly spread the cheese all over. (foodsofourlives.com)
Combine squash, corn, and leek mixture with the corn meal and egg mixture and blend thoroughly. (crosscounterxchange.com)