Remove sausage from pan and drain on paper towels.
Wipe out skillet. Heat olive oil in skillet and saute garlic.
Add greens to skillet.
Cook uncovered till wilted down.
Add 1/3 cup water to skillet.
Cook on low heat covered till greens are tender.
Add the sausage back into the cooked greens.
Set aside 1/2 cup to 1 cup of the greens sausage mixture for the top.
Mix cottage cheese, ricotta, pesto and egg together. Salt and pepper to taste.
Line the bottom of a lasagna pan with the lasagna noodles.
Put half of the sausage/greens mixture on top of noodles followed by ricotta mixture.
Layer with more lasagna noodles. Top with sausage/greens mixture followed by remaining ricotta mixture. Place another layer of noodles on top. Cover with monzerella cheese, reserved sausage/greens mixture and pine nuts if desired.