Spring Vegetable Pasta with a Hint of Bacon

Name: Spring Vegetable Pasta with a Hint of Bacon
Ingredients: 2 pieces bacon; 2 pieces garlic scrape, chopped into small pieces (use 1 T chopped shallot and 1 t chopped garlic if scrapes aren't available); 1 cup spring (or pearl) onions, peeled & halved; 3/4 cup chicken or vegetable stock; 1 sprig fresh tarragon; 1 cup fresh peas; 1/4 cup creme fraiche; 2 tablespoons finely grated parmigiano reggiano; 1 tablespoon fresh lemon juice; 6 ounces angel hair pasta or thin spaghetti, cooked al dente