GARLIC-BUTTER-POTATOES-STEAK

For the Steak:

• 2 lbs (908g) ribeye or tenderloin steak, sliced into 2-inch thick pieces

• ½ cup (125mL) garlic butter, divided (see note)

• ¼ cup (65mL) shredded cheddar cheese

• ¼ cup (65mL) shredded mozzarella cheese