Homemade Basil Pesto

0 To a heated skillet, add the pine nuts and garlic cloves. Toast them over medium heat for 1-3 minutes.
1 To a food processor, add the basil, toasted pine nuts and garlic cloves, parmesan cheese, lemon juice, salt and pepper. Process until the basil is finely chopped and turns into a paste. 
2 Lower the speed of the food processor and slowly pour in the olive oil.  Process some more until smooth.