Mom's Medallions of Beef

• 1 cup butter
• 1 (3.5 pound) whole beef tenderloin, cut into 1-inch slices
• 1 (16 ounce) package sliced fresh mushrooms
• 1 onion, chopped
• 1/4 cup red wine, or more to taste
• 2 teaspoons beef base, or more as needed
• 1/2 pound shredded Monterey Jack cheese
• 1/2 pound thinly sliced deli ham

1. Melt butter in a large skillet over medium heat.
2. Cook beef slices in butter until browned completely, about 5 minutes per side.
3. Remove beef slices to a plate, reserving butter and drippings in the skillet.
4. Saute mushrooms and onion in the butter mixture until onions are clear, 5 to 7 minutes.
5. Push the vegetables to the edge of the skillet.
6. Stir red wine and beef baste into the butter mixture in the skillet; cook and stir, adding more beef base as needed, until the sauce is thickened, 7 to 10 minutes.
7. Arrange beef slices into the gravy.
8. Top each beef slice with a slice of ham.
9. Top the ham with Monterey Jack cheese.
10. Put a lid on the skillet and cook until the cheese melts, about 5 minutes.
11. Remove medallions to a platter.
12. Spoon sauce and vegetables over the medallions.

butter, beef tenderloin, mushrooms, onion, red wine, beef base, cheese, deli ham

Taken from allrecipes.com/recipe/moms-medallions-of-beef/ (may not work)