Portobello mushrooms and Swiss cheese top our "Shroom Burgers that sit atop toasted ciabatta rolls.
Health JUNE 2012
1. Form sirloin into 4 (4-inch) patties; season with salt and pepper.
2. Heat grill to medium-high; cook, turning once, until burgers are 160° inside for medium (5-6 minutes per side). Serve with desired toppings and buns.
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