Chef John's Strawberry Semifreddo

Ingredients (12)

• ✓ 1 pound fresh strawberries
• ✓ ½ cup white sugar
• + ¾ cup full-fat Greek yogurt add to pantry
• + lemon, zested add to pantry
• + 2 teaspoons fresh lemon juice add to pantry
• + ⅛ teaspoon vanilla extract add to pantry
• + 1 teaspoon aged balsamic vinegar add to pantry
• + 1 pinch salt add to pantry
• ✓ 1 ¾ cups cold heavy cream
• + 6 shortbread cookies add to pantry
• + 3 tablespoons melted butter add to pantry
• + 1 ½ cups diced fresh strawberries add to pantry