Add chicken to slow cooker and grate 1 inch knob of ginger over the top.
Add all dry spices into the slow cooker and mix well.
Add canned diced tomatoes and tomato paste into slow cooker, then mix well again.
Lastly, add 1/2 cup coconut milk and mix together thoroughly. Cook on low for 6 hours or high for 3 hours.
Once the slow cooker is done, add the remaining coconut milk, heavy cream, and guar gum and mix thoroughly into the chicken. It should help the curry thicken well; serve over cauliflower rice or vegetable of your choice.
This makes a total of 5 servings of Slow Cooker Keto Chicken Tikka Masala. Each serving comes out to be 493 Calories, 41.2g Fats, 5.8g Net Carbs, and 26g Protein.