Line two 12-tin regular muffin pans with paper liners.
Spray the liners with cooking spray; set aside.
In a large mixing bowl combine gluten free flour, almond flour, monk fruit sweetener, baking powder, baking soda and salt.
Gently stir in almonds.
Set aside.
In a medium mixing bowl combine half-and-half or milk, melted butter, sour cream, egg and almond extract.
Whisk until well combined.
Add liquid measure to dry mixture.
Rinse raspberries gently in colander.
Add to muffin mixture and stir very gently to combine.
Stir only until moistened.
Do not overmix.
Batter will be soupy.
Fill 24 prepared muffin liners full with muffin mixture.
Top with Streusel Topping.
Bake at 425º for 5 minutes.
Reduce heat to 350º and continue baking about 15-19 minutes longer, or until a toothpick inserted in center comes out clean.