Pat the sirloin steak dry with paper towels and season generously with salt, black pepper, and paprika. Let it rest at room temperature for 15 minutes.

Heat 2 tablespoons of olive oil in a large skillet over medium-high heat until shimmering.

Add the seasoned steak pieces to the hot skillet and sear for 1-2 minutes on each side until browned.

Remove the steak bites from the skillet and let them rest on a plate.

Add the sliced onions to the skillet and cook for 3-4 minutes until softened.

Incorporate 2 tablespoons of butter and minced garlic into the skillet and sauté for about 30 seconds.

Pour in 1 cup of beef broth and Worcestershire sauce, scraping the bottom of the skillet. Simmer for 2-3 minutes until thickened.

Return the seared steak bites to the skillet, tossing them gently in the sauce to coat.

Sprinkle with freshly chopped parsley and serve hot.