Place the onion in the bottom of the slow cooker, then place the chicken breasts on top.
1 brown onion, 4 chicken breasts
Sprinkle the oregano over the chicken, and squeeze the lemon half over the chicken. Arrange the fresh thyme on and between the chicken breasts.
1-2 tsp dried oregano, juice of half a lemon, 3-4 sprigs of fresh thyme
Cook on high for 3 hours (or on low for 5-6 hours).
Add the asparagus on top of the chicken for the last 15 minutes, to steam.
100 g asparagus
Serve with fresh parsley and the rest of the lemon juice over it, with more fresh lemon segments on the side.
lemon and parsley, to serve