Use up the basil with Great Pesto

Ingredients
1 or 2 cloves garlic
1/4 tsp or more kosher salt
2 cups basil leaves (2 ounces or 57gms )
2 tablespoons (15g) pine nuts
3 tablespoons grated Parmigiano Reggiano
1 tablespoon Pecorino Romano
Zest from 1/4 lemon optional
2 tsp lemon juice optional
1/2 cup extra-virgin olive oil (about)

1. Crush the garlic clove(s) in the mortar along with salt and pine nuts.

2. Chop up the basil leaves and add to the mortar. Grind em up.

3. Add Cheese

4. Start to drizzle in the oil al little bit at a time