Spaghetti with Tuna and Capers

By Kim's Cooking Now

4.31 / 5

5min

20min

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1 tablespoon extra-virgin olive oil
1 red onion small, thinly sliced
1 (5 ounce) can tuna packed in olive oil undrained
1 tablespoon capers drained
¼ teaspoon crushed red pepper flakes
½ pound spaghetti
½ tablespoon chopped fresh parsley