Preheat the oven to 375F.

Boil lasagna noodles according to package directions, then drain and set aside.

Heat the oil in a non-stick frying pan over medium-high heat. Add the onion and cook, stirring periodically, for 3 minutes.

Add ground turkey to the onion, mix and cook, stirring occasionally, for 5 minutes. Add 3/4 tsp of salt, 1/8 tsp of pepper and minced garlic and cook, stirring, for 1 minute.

Put the turkey mixture on the bottom of a non-stick 8x12 baking dish. Pour one third of pasta sauce over the turkey.

Put 3 lasagna noodles side by side on top of the tomato sauce.

Mix the ricotta cheese with 1/4 tsp of salt. Spread the ricotta cheese over the lasagna noodles. Pour half of the remaining pasta sauce over the ricotta cheese.

Put the remaining 3 lasagna noodles side by side on top of the tomato sauce.

Pour the remaining pasta sauce on top.

Sprinkle the top of the lasagna with the mozzarella cheese.

Put lasagna in the oven and bake for 30 minutes.