You might need to buy:

• Lemon-Sugar Topping
• 1/2teaspoons finely grated zest from 1 lemon
• Muffins
• 2cups frozen blueberries
• 1/2teaspoons baking powder
• 1teaspoon table salt
• 2large eggs
• 1/4cup vegetable oil
• 1/2teaspoons vanilla extract

You might need to buy:

• Streusel Topping
• 3tablespoons granulated sugar
• 3tablespoons dark brown sugar
• table salt
• Muffins
• 1/2teaspoons baking powder
• 1teaspoon table salt
• 2large eggs
• 1/4cup vegetable oil
• 1/2teaspoons vanilla extract

You might need to buy:

• Crumb Topping
• 3/4teaspoon ground cinnamon
• 1/8teaspoon table salt
• Muffins
• 1/4teaspoon baking soda
• 1/4teaspoon table salt
• large egg
• large egg yolk
• 1teaspoon vanilla extract
• 1/3cup buttermilk
• Confectioners' sugar for dusting

You might need to buy:

• 2tablespoons sugar
• 1/2teaspoon table salt
• 1teaspoon baking powder
• 1/2teaspoon baking soda
• 2cups buttermilk
• 1/4cup sour cream
• 2large eggs
• - 2teaspoons vegetable oil

You might need to buy:

• 1/2cup whole milk
• 1/2cup sour cream
• 2teaspoons baking powder
• 1/4teaspoon baking soda
• 1/2teaspoon table salt
• 1teaspoon grated lemon zest

You might need to buy:

• 3cups unbleached all-purpose flour
• 1tablespoon baking powder
• 1/2teaspoon baking soda
• 1/2teaspoon table salt
• 10tablespoons unsalted butter softened
• large eggs
• 1/2cups plain low-fat yogurt
• Vegetable cooking spray or additional unsalted butter for muffin tins

You might need to buy:

• 1/4cups granulated sugar

You might need to buy:

• 1tablespoon baking powder
• 3/4teaspoon table salt

You might need to buy:

• Biga
• 1/4teaspoon instant yeast
• Dough
• 1teaspoon instant yeast
• 2teaspoons table salt

You might need to buy:

• Dough
• 3/4cup skim milk
• 1/4cup granulated sugar
• large eggs
• 1teaspoon instant yeast or rapid-rise yeast
• 1/2teaspoons table salt
• Egg Wash
• egg white beaten with 1 teaspoon water