1Bring well salted water to boil for fettuccine. Saving 1/2 cup pasta water for sauce if needed.
2Useing vegtable peeler shave strips of lemon zest. Save 2 teaspoons of lemon juice.
3Add 1/4 cup oil to large saute pan, heat and add capers on medium heat, till browned slightly. About 3-5 min.
Add lemon strips continue cooking til they curl. 1min.
Useing slotted spoon remove lemon and capers to drain on paper towel.
4Add more olive oil to pan med low. Add garlic 1-2 min. til slightly brown.
Add tuna and pepper flakes breaking up tuna heat for 2min.
On medium heat toss in drained adente pasta and some pasta water,2tbls oil, stir and add lemon juice continue to cook and toss til well mixed and heated through.
5Put pasta on platter garnish with capers, lemon curls, parsley and a drizzle of olive oil.