Creating Slow Cooker Cashew Chicken is straightforward if you follow these steps carefully:

1. Prepare the Chicken: Cut the chicken thighs into bite-sized pieces and season with black pepper.
2. Add Ingredients: Place the chicken in the slow cooker. Add the mixed vegetables on top.
3. Mix Sauces: In a bowl, whisk together the soy sauce, hoisin sauce, garlic, ginger, and sesame oil.
4. Blend Cornstarch: In a separate small bowl, mix the cornstarch with a little bit of water until smooth. Stir this into the sauce mixture.
5. Pour Sauce: Pour the sauce mixture over the chicken and vegetables in the slow cooker.
6. Stir to Coat: Gently stir everything together to ensure the chicken and veggies are well-coated.
7. Cover and Cook: Set your slow cooker to low for 4-6 hours or high for 2-3 hours.
8. Final Touch: About 20 minutes before serving, stir in the cashews to ensure they are warm and slightly softened.
9. Serve: Once cooking time is complete, stir the dish well again before serving.
10. Garnish: Top with sliced green onions and optional sesame seeds for extra presentation.

Following these steps will guide you in crafting this incredible dish with ease!