If you can't find Tunisian Spice Blend, you can DIY with these:
Tunisian Spice Blend
4 parts ground caraway seed
4 parts ground coriander
4 parts smoked paprika
4 parts turmeric
4 parts chili powder
4 parts garlic powder
1 part cayenne pepper [7.5 k (hu)]
1 part cinnamon
1 part ground black pepper
