PB&J Mini Doughnuts - Texas Peanuts

Ingredients

• 1¼ cups whole milk, warmed to about 110 degrees F
• 6 tablespoons unsalted butter, melted and cooled
• 1 (1/4-ounce) packet instant dry yeast
• 1 tablespoon granulated sugar
• 1 large egg
• 4½ cups all-purpose flour
• 1 teaspoon salt
• canola or vegetable oil for frying
• 1 cup strawberry jelly (or any flavor you like)
• 2 cups powdered sugar
• ⅓ cup creamy peanut butter
• 1 teaspoon vanilla extract
• pinch of salt
• 4 to 6 tablespoons whole milk