| 3/4 | LB | Spaghettini or spinach spaghetti |
| 4 | scallions | |
| 1/4 | cup | (packed) Fresh parsley leaves |
| 1 | stick | Softened butter |
| 1 | tablespoon | Dried tarragon |
| 3/4 | teaspoons | Grated lemon zest |
| 2 | tablespoons | lemon juice |
| 1/2 | cup | Ricotta or fresh goat cheese |
| 1/4 | cup | Heavy cream or mascarpone -- (optional) |
| Salt -- to taste | ||
| Freshly-ground black pepper -- to taste |
This recipe yields 4 servings.