Easy Corn Tamales

INGREDIENTS

• 1/2 tablespoon salt
• *Can be found in Hispanic grocery stores
• 1/2 teaspoon baking powder
• 7 cups fresh corn kernels, from 7 ears
• 20 dried corn husks, soaked in warm water for 30 minutes*
• 1 1/2 sticks (6 ounces) unsalted butter, at room temperature
• 1 egg
• 1/2 cup granulated sugar
• 1/2 cup harina de maiz (dried corn flour) *