Creamy Tomato Tuna Pasta Bake is a healthy, filling, and budget-friendly dish. It also happens to be delicious! You can have this one-dish meal on the table in a quick 20 minutes which makes it perfect for a busy weeknight dinner.
Boil the pasta according to package instructions (al dente). Add 1 tablespoons of oil to pasta water.
Add cooked pasta to a large mixing bowl, add tuna, marinara sauce, 1 teaspoon of oregano, garlic powder.
Sprinkle 1 teaspoon of oregano and finish with a layer of remaining cheese.