Steak with Garlic Cream Sauce

Ingredients:

For the steak:

• 2 boneless beef steaks (ribeye or sirloin)
• Salt and pepper, to taste
• 2 tbsp olive oil
• 1 tbsp butter

For the garlic cream sauce:

• 
  1 tbsp butter
• 4 garlic cloves, minced
• 1 cup heavy cream
• ½ cup beef broth
• 1 tsp Dijon mustard
  ¼ cup grated Parmesan cheese
• Salt and pepper, to taste
  Fresh parsley, chopped (for garnish)