For the Garlic Butter Steak Bites:
1. In a large skillet, melt 2 tablespoons of butter over medium-high heat.
2. Season the steak pieces with salt and pepper.
3. Add the steak bites to the skillet in a single layer and cook for about 2-3 minutes on each side until browned and cooked to your liking.
4. Reduce heat to low and add the remaining butter and minced garlic. Cook for an additional minute, stirring frequently.
5. Remove from heat and garnish with fresh parsley.

For the Creamy Parmesan Pasta:
6. Cook pasta according to package instructions until al dente. Drain and set aside.
7. In a separate saucepan, heat olive oil over medium heat.
8. Add heavy cream, bringing it to a gentle simmer. Stir in grated Parmesan cheese until melted and smooth.
9. Season with salt, pepper, and red pepper flakes if using.
10. Toss the cooked pasta in the creamy sauce until well coated.