In a small pot, cook garlic for about 30 seconds.
Add crushed tomatoes, onion powder, paprika, and basil. Bring to a boil then simmer for 5 minutes. Set aside marinara.
in a hot oiled pan, brown chicken (3 minutes on one side, 1 on the reverse).
Remove chicken to a plate.
Add onion and minced lemon flesh to same pan (add oil if necessary) and cook for 2 to 3 minutes
Add marinara, currants, and half the cilantro.
Bring to a boil then reduce to a simmer.
Add chicken and simmer, covered, for 10 to 12 minutes.
Remove chicken
Wilt spinach into sauce.
Add artichokes and cook until heated through.
Remove from heat, season with salt and pepper and add lemon rind
Serve chicken breasts over tagine. Garish with remaining cilantro.