Step 1

Preheat oven to 375 degrees.

Step 2

Grease an 11x15 inch casserole dish. Spread 1/4 jar of pasta on bottom of casserole dish. Set aside.

Step 3

Boil lasagna noodles according to package directions. Remove noodles from water and lay out on a parchment lined cookie sheet to cool.

Step 4

In a large bowl, mix together spinach, ricotta, 1 cup mozzarella, garlic, salt, and pepper.

Step 5

Spread 1/3 cup cheese mixture onto each lasagna noodle, leaving 1/4 inch space around edges of noodles.

Step 6

Roll up lasagna noodles length-wise and place the rolls seam-side down in prepared casserole dish. Continue with remaining noodles and filling.

Step 7

Pour remaining marinara sauce over lasagna rolls.

Step 8

Sprinkle remaining 1 cup mozzarella and parmesan cheese on top of lasagna rolls and sauce.

Step 9

Top lasagna roll ups with cubed butter.

Step 10

Cover with foil and bake for 25 minutes.

Step 11

Remove foil and bake an additional 5 minutes, until cheese is melted.