Apple Pumpkin Streusel Muffins

Ingredients

• 1/2 teaspoon vanilla extract
• 5 tablespoons canned pumpkin purée
• 3 tablespoons all-purpose flour
• 1/4 teaspoon baking soda
• 1/2 cup fresh apples, diced ((Honeycrisp preferred))
• 2 tablespoons brown sugar
• 3/4 teaspoon pumpkin pie spice
• 1/8 teaspoon salt
• 1 tablespoon apple juice ((or substitute with orange juice or water))
• 2 teaspoons granulated sugar
• 1 1/2 tablespoons sour cream ((at room temperature))
• 1 large egg yolk ((room temperature))
• 1/4 teaspoon cinnamon ((or use pumpkin pie spice))
• 1 1/2 tablespoons diced apples ((reserved for streusel))
• 1 1/2 tablespoons brown sugar
• 3 tablespoons granulated sugar
• 1 1/2 tablespoons cold unsalted butter ((cubed))
• pinch salt