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1
Cook and stir ground beef, onion, garlic powder, and oregano in a large skillet over medium heat until onion is tender and beef is browned, about 10 minutes. Add tomato sauce and sugar; simmer until sauce is heated through, about 10 minutes.
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2
Bring a large pot of lightly salted water to a boil. Cook lasagna in the boiling water, stirring occasionally until cooked through but firm to the bite, 8 to 10 minutes. Drain.
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3
Preheat oven to 375 degrees F (190 degrees C). Grease a 9x13-inch casserole dish.
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4
Mix ricotta cheese, egg, parsley, and 3/4 cup Parmesan cheese together in a bowl.
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5
Place a lasagna noodle on a work surface. Spoon one layer of ricotta cheese mixture, one layer meat sauce, and one layer mozzarella cheese atop the lasagna noodle; top with another lasagna noodle. Roll up the stuffed lasagna noodles in the jelly-roll style; place in the prepared casserole dish. Repeat with remaining lasagna noodles, ricotta cheese mixture, meat sauce, and mozzarella cheese. Spread a spoonful of meat sauce atop each lasagna roll; top with remaining mozzarella cheese and 1/4 cup Parmesan cheese.
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6
Bake in the preheated oven until cheese is melted and bubbling, 30 to 35 minutes.
