Spray 6 dozen miniature muffin cups with cooking spray; set aside.
Preheat oven to 400º.
In a large mixing bowl, combine flour, sugar, cinnamon, baking powder, salt and baking soda.
In a separate bowl combine eggs, half and half and butter.
Whisk until ingredients are well combined.
Add liquid ingredients to dry ingredients in mixing bowl.
Add berries and gently stir until ingredients are combined.
Do not overmix the batter.
Spoon muffin mixture into sprayed miniature muffin tins about three-fourths full.
Bake at 400º for about 9-11 minutes or regular muffin pans for 18 minutes, or until a toothpick inserted in center comes out clean.
Cool muffin pans for 5 minutes before removing muffins from pans to wire cooling racks.
Yield: 6 dozen miniature muffins, or 3 dozen regular-sized muffins.