Beef Roulades with Walnut Parsley Pesto

Name: Beef Roulades with Walnut Parsley Pesto
Prep time: 30 min
Cook time: 35 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 1 cup chopped parsley; 1/2 cup shelled walnuts, about 1 3/4 ounces; 1/4 cup grated parmesan or pecorino cheese; 2 garlic cloves, roughly chopped; 1/4 teaspoon salt; 1/4 cup extra virgin olive oil; 1/2 pound thin-cut bacon; 1 1/2 to 1 3/4 pounds flank steak; Salt and black pepper; Lemon wedges to serve