Healthy Strawberry Oatmeal Bars

Bahan-bahan (16 porsi)

• 1 cup old-fashioned rolled oats
• 3/4 cup white whole wheat flour
• 1/3 cup light brown sugar
• 1/4 teaspoon ground ginger
• 1/4 teaspoon kosher salt
• 6 tablespoons unsalted butter (melted (or substitute melted coconut oil to make vegan/dairy free))
• 2 cups small-diced strawberries (about 10 ounces, divided)
• 1 teaspoon cornstarch
• 1 tablespoon freshly squeezed lemon juice (from about 1/2 small lemon)
• 1 tablespoon granulated sugar (divided)
• 1/2 cup powdered sugar (sifted)
• 1/2 teaspoon pure vanilla extract
• 1 tablespoon milk (any kind you like)