Crockpot Mushroom Chicken Spaghetti

Ingredients

6 boneless, skinless chicken breast
3 tbsp butter
1 medium onion, chopped finely
1 Tbsp minced garlic
1-1/2 tsp salt
1/2 tsp ground ginger
1/2 tsp chili powder
1 can diced tomatoes
1 small can sliced mushrooms, drained

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