Curried Potatoes

Name: Curried Potatoes
Ingredients: 2 tablespoons neutral oil (I used grapeseed); 2 teaspoons whole cumin seed; 2 teaspoons black mustard seed; 1/2 of a small onion, diced; 1/2 pound small potatoes (Yukon gold work nicely), cubed; 1 or 2 bunches French breakfast radishes, left whole; 1/2 tablespoon sweet curry powder; a dashes or two of cayenne pepper or to taste; salt & freshly ground black pepper