Mixed Berry Skillet Dump Cake Cobbler

This one goes out to the last bits of summer, and as little work and prep as possible! Click the photo for the video with the steps!

12" Cast Iron Skillet
1 bag frozen mixed berries (I used Trader's Joes')
1 TBS lemon juice
1 pack of cake mix (I used Sweet Logic's keto-friendly yellow cake mix)
1/2 cup butter, in cubes
1/4 granulated sugar
1 tsp cinnamon
1/4 cup sliced almonds (optional)

Preheat oven to 350F. Butter the skillet with a small pad of butter.
Empty the bag of mixed berries into the skillet, and drizzle/mix the lemon juice on top.
Pour the cake mix on top and lightly combine, keeping the cake mix on top.
Add the cubed butter on top, evenly distributed.
Mix the cinnamon and sugar together, and sprinkle on top of the mixture, and add the almonds on top.
Bake on the middle rack for 45-55mins.