Spring’s first crop unearths sweet baby potatoes. Combine them with another under-the-ground crop, red onions, and above-ground mint leaves, and you have the makings of a sensuous curry.
Heat the oil in a large skillet over medium-high heat. Add the cumin seeds and cook until they sizzle, turn reddish brown, and are aromatic, 5 to 10 seconds. Then add the potatoes and stir-fry until they turn reddish brown and are partially tender, about 10 minutes.
While the potatoes are cooking, whisk the onion paste, tomato paste, salt, and