12ounces(340g)frozen spinachthawed and liquid squeezed out well
1pound(454g)85/15 ground beef
1cup(160g)diced onions
4clovesgarlicminced
2teaspoonsItalian seasoning
½teaspoonred pepper flakesmore if you like spicy
25ounces(709g)marinara sauce
1cup(112g)shredded mozzarella cheese
½cup(50g)grated parmesan cheese
Instructions
Preheat oven to 350 °F (177 °C) and lightly spray a rimmed metal baking sheet with cooking spray. Set aside. Bring a large pot of water to a boil and cook noodles according to the directions on the box. Once done, drain well and set the noodles back in the same large pot.
9 ounces lasagna noodles
In a small bowl, mix together ricotta and spinach with a spoon. Set aside.
1 cup part-skim ricotta cheese, 12 ounces frozen spinach
In a medium skillet, add a little cooking oil then brown ground beef and break apart into small pieces. Once beef is no longer pink, add diced onions, garlic, and seasonings. Cook for 5 minutes, or until onions are translucent and tender.
1 pound 85/15 ground beef, 1 cup diced onions, 4 cloves garlic, 2 teaspoons Italian seasoning, ½ teaspoon red pepper flakes
Pour the beef mixture into the large pot with the noodles then the jar of marinara sauce on top. Using a spatula, gently fold everything together until ingredients are evenly dispersed throughout.
25 ounces marinara sauce
Pour the noodle mixture onto the prepared baking sheet and spread in an even layer. Sprinkle cheeses on top then dollop the ricotta mixture throughout.
1 cup shredded mozzarella cheese, ½ cup grated parmesan cheese
Bake for 30-35 minutes. Let rest for 10 minutes before serving.