Cheesy Cheddar Roll-Ups

Prep: 20 min. Bake: 15 min. 6 servings

1     small onion, thinly sliced 1     tsp olive oil 1     tube refrigerated crescent rolls 2     tbsp coarse ground mustard 1     package Johnsonville Beddar with Cheddar Sausage

In a skillet, sauté onion in oil until light golden brown; [...]