Grapefruit Poppy Seed Muffins - Good Neighbor Pharmacy

Ingredients

• 3 cups all-purpose flour
• 3/4 cup granulated sugar
• 3 tablespoons poppy seeds
• 1 tablespoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 1/2 cups plain Greek yogurt
• 1/2 cup unsalted butter, melted and cooled
• 2 large eggs
• 1/4 cup fresh grapefruit juice (from about 1/2 grapefruit)
• 3 tablespoons grapefruit zest
• 1 teaspoon vanilla extract
• Nonstick cooking spray