Preheat oven to 350 degrees F.
Line a muffin tin with paper muffin liners and set aside.
In a large bowl, whisk together almond milk, butter, eggs and brown sugar. Set aside.
Slowly add dry ingredients into wet ingredients and mix thoroughly.
Once muffin batter takes form, fold in 1 ½ cups frozen berries
Fill up each lined section of the muffin tin with muffin batter, filling it up about 2/3 of the way.
Top with 2-3 frozen berries.
Bake for approx. 20 minutes or until a toothpick comes out clean when inserted in the center of a muffin.
Allow to cool for 10 minutes before serving. Enjoy!