Home Made Mushroom Onion Gravy For Burgers

Ingredients:One small yellow onion thinly sliced6 medium sized organic button mushrooms thinly sliced.1 1/2 Tlbsp extra virgin olive oil1 Tlbsp Butter1 Tlbsp Better than bullion chicken stock concentrate1/2 cup boiling water1 Tlbsp cornstarchPutting it all together:In a nonstick skillet on medium high add 1/2 the olive oil and onions. Cook until they start to turn…