Air Fryer Top Sirloin Filet (Juicy, Tender + Easy Method) - Fabulessly Frugal

Ingredients

• 2 tbsp avocado oil (or olive oil)
• 1 tbsp soy sauce
• 1 tbsp fresh lemon juice (if using bottled use 1/2 tbsp lemon juice and 1/2 tbsp water)
• 1 tsp spicy brown mustard
• 1 tsp honey
• 1/2 tsp garlic powder
• 1 tsp Omaha Steaks Classic Seasoning Blend (See alternative below)
• 1/2 tsp kosher salt
• 1/2 tsp black pepper
• 1/4 tsp onion powder
• 1/4 tsp paprika
• 8 ounces sirloin steak ( top sirloin filet 1–1.5 inches thick)
• 1 tbsp avocado oil (or olive oil)
• 1 tbsp butter (divided, for finishing)
• 1 tsp parsley (divided, for finishing)