In a bowl, combine chopped chicken breast, onions, red curry paste, peanut butter, fish sauce, sugar, ginger, and garlic. Mix well.
Place into a slow cooker and add the coconut milk, chicken broth and peppers.
Cook on high for 3 hours
To serve, place a small amount of rice noodles in a bowl and then ladle the chicken stew on top. Garnish with cilantro and chopped peanut pieces and a wedge of lime.