Slow Cooker Chicken Afritad

1 pound skinless

boneless chicken breast halves

cut into cubes

½ cup soy sauce

or to taste

½ cup olive oil

or to taste

1 lemon

juiced

3 cloves garlic

minced

ground black pepper to taste

2 tomatoes

cubed

2 carrots

chopped

3 red potatoes

cubed

1 onion

sliced

1 green bell pepper

sliced

1 red bell pepper

sliced

1 yellow bell pepper

sliced

1 cup green peas