Heat the oil in a skillet over medium heat. Add the tomatoes, garlic, red pepper flakes and cook, covered slightly. Swirl the pan often, until the tomatoes blister and start to burst, 10-12 minutes. Crush the tomatoes to release their juices and simmer, uncovered, to thicken slightly. Remove pan from heat and set aside.
Bring a large pot of salted water to a boil and cook the pasta according to the package if using dried pasta. If cooking the fresh orecchiette listed below, cook for 2-3 minutes, or until all of the orecchiette float. Drain pasta.