Slow Cooker Pork Tenderloin

2 pound Pork Tenderloin
1/4 cup low sodium soy sauce
1 TBS Yellow Mustard...
2-3 TBS maple syrup, optional
2 TBS olive oil
2 TBS Diced dried onions
1 1/2 TSP Garlic Salt or Powder

Mix ingredients above. Pour over

 Tenderloin in the crock pot and

 cook on low for 6 hours.