Preheat the oven to 350F
mix together the spices
Pat the chicken with half the spice mix
Put the potatoes and onions in a large bowl, coat with vegetable oil, then toss with remaining spice mix
Put the chicken in the oven in a pan, uncovered
Wrap the potatoes and onions in tin foil, poke holes in the top, place dolops of butter/margarine around, and put in the oven as well.
Cook for 70 minutes.
Remove chicken, brush with sauce and return to oven for 5 minutes. Remove and brush again, then leave for 15 minutes.
Remove chicken from oven and cover with tin foil. Check the potatoes, if theyu2019re still too hard leave them in the oven at 400F while you do the asparagus
Toss the asparagus with salt, oil and balsamic vinegar in a large bowl, then grill til you like them.