Preheat oven to 350 degrees F / 177 degrees C.
In a medium bowl, use an electric mixer to combine 2 tablespoons butter, 2 eggs, and 2 tablespoons sour cream.
2 eggs, 2 tablespoons butter, 2 tablespoons sour cream
In a separate bowl, combine 1 cup cheddar cheese, 1 jalapeño, 1 cup almond flour, 1 teaspoon baking powder, and ½ teaspoon salt.
1 cup almond flour, 1 cup cheddar cheese, 1 teaspoon baking powder, ½ teaspoon salt
Fold dry ingredients into wet until just combined.
Spoon batter into silicone molds or a muffin pan.
Bake for 15 to 20 minutes, until golden and set.