sweet potatoes, one per person
olive oil (see below)
2 T ground coriander
1 T ground fennel
1 T dried oregano
1 T Aleppo Pepper (or use a smaller amount of cayenne pepper)
2 T kosher salt
Preheat oven to 425 F. Peel sweet potatoes and cut into strips about 3 inches long and 3/4 inches thick.
In mortar and pestle or spice grinder, grind together coriander, fennel, oregano, and Aleppo pepper. Mix in salt. (This makes enough for several batches of sweet potatoes, so you'll need a small jar to store the extra.)
In plastic bowl, toss together cut sweet potatoes, olive oil, and spice mixture. You will need about 1 T olive oil and 2 tsp. of the spice mixture for every two sweet potatoes, depending on how spicy you like it.
Spray flat roasting pan with non-stick spray. (I would use a non-stick cookie sheet if I had one small enough to fit into my toaster oven!) Spread out sweet potatoes in single layer. Roast 30-40 minutes, turning about every ten minutes. Sweet potatoes should be softened through and lightly browned when they're done. (They will only be slightly crisp. If you wanted them crisper I might increase the temperature to 450 F or use convection if you have it, but sweet potatoes never get as crisp as fried potatoes.) Serve hot.