Blackstone Steak and Pierogies

Name: Blackstone Steak and Pierogies
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Cuisine: American
Ingredients: cooking oil of choice (I used olive oil); 1 16 ounce box frozen pierogies (I used potato filled pierogies) (thawed); 1 onion (diced); 8 ounces sliced mushrooms; kosher salt, pepper, steak seasoning blend; 2 pounds steak of choice (I used strip steak); 6 ounces chopped, fresh spinach; 6 to 7 cloves garlic (minced); 1 cup heavy cream; 1/2 cup shredded parmesan cheese