2) Place rasher bacon in a medium pan over medium heat and cook until golden brown and crisp and the fat has rendered. Remove rasher bacon with a slotted spoon to a plate lined with paper towels.
3) Remove all but 2 tablespoons of the rasher bacon fat from the pan and place back on the heat. Add the olive oil and increase the heat to high season the prawn with salt and pepper, and add to the pan with the garlic. Saute until golden brown on both sides and just cooked through, 1 to 2 minutes per side. remove prawn to a plate. Reserve the garlic oil to drizzle over the finished dish.
4) Divide the grits among 4 bowls and top each with 5 prawn. Drizzle the top with some of the rasher bacon-garlic oil (that the prawn were sauteed in) and sprinkle with some of the spring onion.