In a bowl, mix all cheese filling ingredients until combined and set aside
In a pan, brown the ground beef until fully cooked, add the pasta sauce, bring to a simmer, then remove from heat
Cut the top off the loaf of bread and remove most of the bread inside to create space
Layer sauce, lasagna noodles, and cheese filling inside the bread, repeating until full
Place the removed bread back on top
Mix the softened butter with garlic and parsley, then brush over the top of the bread
Sprinkle with mozzarella and parmesan
Bake at 375°F for 30 minutes, then broil for 1–2 minutes until the cheese is golden and bubbly
