Asparagus, Goat Cheese And Lemon Pasta

spiral-shaped pasta

slender asparagus spears, trimmed, cut into 1- to 1 1/2-inch pieces

olive oil

finely grated lemon peel

chopped fresh tarragon plus more for garnish

5- to 5 1/2-ounce log soft fresh goat cheese (the pre-crumbled stuff will not melt as well)

Fresh lemon juice to taste (optional)