Arrange a cooling rack over a baking sheet. Preheat oven to 300F.
Season tomatoes with salt, pepper and a light sprinkle of sugar. Roast tomatoes 45 minutes to 1 hour, until caramelized. Remove tomatoes to a plate and reserve. Raise the oven temp to 450F.
Cut tops and trim bottom of eggplant. Cut into slices 1/2-inch thick, brush with EVOO and season with salt and pepper. Roast 15 minutes, remove and cool.
Slice red onion into thin rings and dress with lime juice, a drizzle of oil and season with salt and pepper.
Place turkey in bowl and grate ginger overr bowl. Add garlic, scallions, cilantro, mint, salt, pepper and curry spices; mix to combine. To test spice level, make a tiny patty the size of a quarter and cook it up. Taste it to adjust seasonings then form 12 slider-size patties, drizzle burgers with EVOO and cook on a grill, griddle pan or cast-iron skillet over medium-high heat.
Arrange slider bottoms on a platter and top with the patties. Top burgers with oven-dried tomatoes, roasted eggplant, onion rings and some mango chutney. Set bun tops in place with a small dollop of yogurt, if using.