In a slow cooker combine the potatoes, onions, bell pepper, garlic, ginger, diced tomatoes, salt, curry powder, garam masala, and crush red pepper. Cover and cook on HIGH for 3-3 1/2 hours until potatoes are tender. Remove from heat.
In a small bowl combine the cilantro, lime juice, and greek yogurt. Dollop on the potato mixture before serving.
If you do not like your korma spicy, disregard the red pepper flakes.
You can also stir in the yogurt mixture to the potatoes after removing from the heat.
Serve this Slow Cooker Spicy Potato Korma with a side of Cucumber and Pear Salad.