Ingredients

3 tbsp. butter

3 tbsp. all-purpose flour

1 1/2 c. milk

1 c. shredded Cheddar

kosher salt

Freshly ground black pepper

2 burger patties

1/2 small onion, finely chopped

2 tbsp. teriyaki sauce

2 rye buns

Preparation

Step 1In a saucepan over medium heat, melt butter. Add flour and whisk until totally combined. Cook until golden, 1 minute, then pour in milk and whisk until completely combined. Let thicken 3 minutes. Add cheddar and whisk until combined and creamy. Season with salt and pepper. Keep sauce on low heat while you prep the rest of the burger.Step 2In a large skillet over medium-high heat, heat oil. Add burger patties and season with salt and pepper. Cook 4 minutes per side for medium rare. Set aside.Step 3Add onions to burger fat in skillet and sauté until tender, 6 minutes, then add teriyaki sauce and stir until combined.Step 4Assemble burger: On a rye bun bottom, place burger patty and top with cheese sauce and teriyaki onions.