Pesto Sauce

Ingredients

2 cups fresh basil leaves, tightly packed
3 cloves garlic, peeled
1/2 cup pine nuts
1/2 teaspoon salt
1/2 cup olive oil
1/2 cup freshly grated Parmesan cheese
olive oil (for covering)

Directions

Put all ingredients except olive oil into a blender or food processor and process, scraping down side of bowl once or twice, until mixture is smooth.

Transfer to a freezer container or jar and cover with 1/2 inch of olive oil on top.

Keeps for several weeks in the refrigerator. Freeze for longer storage (several months).

Scoop oil off top with a spoon before using. Pour it back over any unused portion and return to refrigerator or freezer.

Source