Serves2 to 4 (first course)
- Active time:15 min
- Start to finish:6 1/2 hr (includes making tomato powder)
dried pasta such as spaghettini or linguine fini
stick unsalted butter
1 1/2 to 3
Cook pasta in a pasta pot of boiling salted water (3 tablespoons salt for 6 quarts water) until al dente. Reserve 1/4 cup cooking water, then drain pasta and transfer to a large bowl.
Melt butter in a small saucepan and add 1/4 teaspoon each of salt and pepper. Toss pasta with butter, then add tomato powder to taste, tossing to combine. Thin sauce with reserved pasta-cooking water, a little at a time, if desired.