Mix the potatoes, carrots, onions, olive oil, vinegar, dill, salt, pepper, and red pepper flakes in a crockpot.
Arrange the sausages on top of the vegetable mixture.
Cook on low heat for 8 hours.
Spoon the cooked vegetables onto a serving plate, being careful to place the sausages on the edge of the plate.
Eggs & Topping:
Sprinkle the feta cheese over the cooked vegetables.
Cook the eggs in unsalted butter over medium heat in a large skillet.
Place the cooked eggs on top of the vegetables, sprinkle with black pepper and dill, and then drizzle with maple syrup.