INGREDIENTS
4
La Brea Bakery Frozen Take and Bake French Dinner Rolls
2 tsp
olive oil
1
yellow onion, sliced
1 1/2 cups
leftover pot roast, warmed (I used [url]this recipe∞https://neighborfoodblog.com/2014/09/crock-pot-rosemary-mushroom-pot-roast.html[/url])
4
slices swiss cheese
1/4 cup
mayonnaise
1 tsp
whole grain mustard
1 tsp
prepared horseradish