Next up, peel the grapefruit and pit and slice into thin slices. Save half of one to squeeze the juice into the bowl. You can ALSO use oranges, in fact that is what is usually used.
With oranges you need NO sweetener. Toss the fruit into bowl with fennel. If your grapefruit is super sour or bitter, drizzle a teeny bit of maple syrup on top or sprinkle brown sugar. If it is sweet, don’t bother.
The juice from the citrus and the oil make the dressing. You could also toss in some pine nuts, add arugula and pitted kalamata olives to really zizz it up ! It is a lovely light and simple salad.