Garlic Parmesan Cheeseburger Bombs

Ingredients:
1 lb ground beef
1 lb shredded cheddar cheese
1/2 lb softened cream cheese
1 tsp garlic powder
1 tsp onion powder
Salt and pepper, to taste
1 (16 oz) box refrigerated biscuit dough
2 oz grated Parmesan cheese
2 tbsp melted butter
Chopped fresh parsley (for garnish)