Heat 2 Tablespoons Oil In A Large Skillet Over Medium-High Heat. Add The Cumin And Coriander; Cook Until They Are Fragrant, 2 Minutes. Add The Chili And Ginger; Cook 1 Minute. Reduce Heat To Medium And Add Onion. Cook, Stirring Occasionally, Until Onion Begins To Soften, 4 To 5 Minutes. Add Potatoes, Peas And Salt; Cook 1 Minute. Remove From Heat And Add Cilantro. Filling Can Be Made A Day Ahead And Refrigerated; Bring To Room Temperature Before Using. Spoon Filling Onto Bottom Half Of Eggroll Wrappers, Using About 1/3-Cup Filling For Each. Fold Over And Trim Into Half-Moons. Moisten Fingers With Water; Pinch Closed.