Preheat the oven to 400 degrees F.
In a blender, combine eggs, flour, salt, pepper, and herbs, milk, and cheese. Blend on medium speed.
Spray a mini-muffin pan with nonstick cooking spray. Pour the batter into the muffin cups, filling each cup 3/4 full. Bake until puffed and golden brown, about 20 to 25 minutes.
Remove popovers from muffin tin and cool on a wire rack. Save in a storage container to take to the picnic.