Spinach and Cheddar Savory Muffins

As the weather gets cooler spinach comes back and there are so many wonderful uses, but here's one of my new favorites, great for breakfast. lunch or dinner:
Spinach and Cheddar Savory Muffins
1 1/2 cups all-purpose flour
2 teaspoons baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
6 tablespoons butter, melted
1 egg
1 cup whole milk
1 cup chopped fresh or ½ cup chopped frozen spinach (if frozen, thawed, drained and squeezed dry)
1 cup shredded sharp Cheddar cheese
DIRECTIONS
1. Preheat oven to 350°. Lightly grease 12 cup muffin cups, or line with papers.
2. Mix the flour, baking powder, baking soda, and salt together in a mixing bowl.
3. Stir the melted butter, egg, milk, spinach, and cheddar cheese together in a large mixing bowl until evenly blended. Slowly stir in the flour mixture to form a batter. Scoop into muffin cups using an ice cream scoop, or fill about 2/3 full.
4. Bake in preheated oven until a toothpick inserted into the center of a muffin comes out clean, about 35 minutes.
Makes 12 muffins