Chop mushrooms into small pieces.
Warm 1 stick of butter in a pan on low heat
Add mushrooms and saute until soft
Add tomato sauce, half & half and parmesan cheese to the pot of buttered mushrooms and mix well.
Add garlic powder, salt & pepper.
Boil noodles in a separate large pot.
Drain water and return pasta back to large pot.
Run hot water over the bag of frozen broccoli to defrost.
Chop broccoli into smaller pieces if need be then add to the large pot with cooked pasta.
Add your homemade sauce mixture to the cooked pasta.
Mix all ingredients together.
Cook on low until warm
Remove from heat and let stand for 15 - 20 minutes (sauce will thicken)
Enjoy!