Cinnamon rolls

Ingredients

• 1 cup skim milk
• 1/4 cup canola oil
• 1/3 cup sugar
• 1/4 teaspoon salt
• 2 packages dry yeast (about 0.75 ounces per packet)
• 1/4 cup warm water
• 1 egg
• 2 egg whites
• 3 cups all-purpose flour
• 2 1/2 cups whole-wheat flour
• Cooking spray