Mini Tomato and Goat Cheese Burgers

INGREDIENTS

• 1/3 cup plus 1 Tbs. almond flour
• 1/3 cup plus 1 Tbs. all-purpose flour
• 3/4 cup confectioners’ sugar
• 1/2 tsp. kosher salt
• 4 egg whites, lightly beaten
• 2/3 cup extra-virgin olive oil
• 2 tomatoes, about 1/2 lb. total, peeled, seeded and cut into 1/4-inch dice
• 1/4 cup drained sun-dried tomatoes in oil, finely chopped
• 2 Tbs. finely chopped shallot
• 2 tsp. balsamic vinegar
• 1/4 tsp. kosher salt
• 1/4 tsp. freshly ground pepper
• 1/2 cup soft mild goat cheese, at room temperature
• 5 Tbs. mascarpone cheese
• 1 1/2 Tbs. finely chopped fresh chives
• Pinch of kosher salt
• 24 small fresh basil leaves