Creating Slow Cooker Chicken Curry is simple when you follow these steps:

1. Prepare the Chicken: Cut the chicken thighs into bite-sized pieces and season them with salt and pepper.
2. Sauté Aromatics: In a skillet, heat a little oil over medium heat. Add the chopped onion, garlic, and ginger. Sauté until the onion becomes translucent.
3. Combine Ingredients: In the slow cooker, add the sautéed aromatics, chicken, curry powder, cumin, coriander, turmeric, red chili powder, diced tomatoes, and coconut milk. Stir well to combine.
4. Add Fish Sauce: If using, add the fish sauce for an extra depth of flavor. Mix thoroughly.
5. Cook: Cover the slow cooker and set it to low for 6-8 hours or high for 3-4 hours until the chicken is tender.
6. Add Peas: If using frozen peas, stir them into the curry during the last 30 minutes of cooking.
7. Adjust Seasoning: Taste and adjust the seasoning with additional salt, pepper, or spices as desired.
8. Garnish and Serve: Once cooked, garnish with fresh cilantro before serving.

These steps will guide you in creating this incredible curry effortlessly.