Condensed Cream of Mushroom Soup Replacement - Substitute

I swiped this from the Food networks low carb and loving it, green bean casserole recipe. Isolating the parts that recreate the Consensed cream of mushroom soup part and fiddled a bit with it.

• Ready In: 15 mins
• Serves: 8

Ingredients

• 1  tablespoon  vegetable oil
• 1⁄2 cup onion, thinly sliced
• 8  ounces white mushrooms, rinsed and sliced
• 1 1⁄2 teaspoons kosher salt
• 1⁄8 teaspoon garlic powder
• 1⁄8 teaspoon fresh ground black pepper
• 1⁄2 cup chicken broth
• 1  teaspoon thyme, chopped
• 1⁄2 cup sour cream

Directions

1. Heat the oil in a large pan over medium-high heat.
2. Add onion, mushrooms, salt, garlic, and pepper and cook, stirring, about 2 minutes.
3. Add the chicken broth and thyme and cook until almost all the liquid is evaporated, about 3 to 4 minutes.
4. Add the sour cream, and toss to combine.