1-Getting started with lasagna roll ups: First, cook your 12 lasagna noodles until they’re al dente, which takes about 8-10 minutes, then cool them down to handle easily. This step ensures they roll without tearing, setting the base for a great dish.

2-Browning the meat and preparing the fillings: Next, brown the 16 ounces of 85% lean ground beef in a pan with 1/2 cup diced onion and 3 minced garlic cloves. Add 1 teaspoon salt, 1/2 teaspoon black pepper, and 1/2 teaspoon oregano, then mix in 32 ounces of marinara sauce for a flavorful meat filling. In another bowl, combine 15 ounces whole milk ricotta cheese, 1 large egg, 1/4 cup shredded Parmesan cheese, 1/4 cup fresh chopped parsley, and 1 1/2 cups shredded mozzarella for the cheese mixture.

3-Assembling and baking the roll ups: Spread about 1/4 cup of the cheese filling on each noodle, add a heaping tablespoon of the meat sauce, roll them up, and place seam-side down in a baking dish layered with 1/2 cup meat sauce. Top with the remaining meat sauce and 1 1/2 cups shredded mozzarella, then cover loosely with foil. Bake at 375°F for 40 minutes, uncover, and broil for 2-3 minutes until the cheese turns golden. Let it cool a bit, garnish with parsley, and serve this whole process takes around 1 hour and 12 minutes.