This popular and colorful salad lends a festive note to any tapas table, and is featured in many tapas bar throughout Spain. Some versions omit the red onion, or replace the raspberry vinegar with lemon juice. No matter which variation is served, however, this salad is tangy and refreshing on a hot summer day, and should always be served chilled.
Remove the white pith from the oranges and cut the fruit crosswise into 1/4 inch slices.
Arrange on a serving platter and scatter over the sliced red onion.
In a small bowl, whisk together the vinegar, olive oil, salt, and pepper.
Spoon this dressing over the onion and oranges.
Sprinkle with the raisins, olives, sunflower seeds, and almonds.
Garnish with mint springs and serve chilled.