Ingredients

1 lb green grapes

2 small Granny Smith apples, coarsely chopped

1/4 cup packed mint leaves

3/4 to 1 cup sugar (to taste)

1 (500-mg) vitamin C tablet, crushed to a powder with back of spoon (to keep sangria’s color bright)

2 bottles dry white wine (preferable Albarino or Pinot Grigio)

Preparation

Purée grapes, apples, mint, sugar, vitamin C, and 2 cups wine in 2 batches in a blender until smooth, then strain through a fine-mesh sieve into a bowl, pressing on solids. Transfer purée to a pitcher and stir in remaining wine. Chill, covered, at least 2 hours. Serve over ice.