Preheat your oven to 400 degrees F. Then prep your ingredients by weighing them out. This will help the process to go much faster.
Add the starter, chicken broth, and milk to a large measuring cup or medium bowl. Whisk to combine.
30g sourdough discard, 212g chicken broth, 227g cashew milk
Heat a 12 inch cast iron skillet over medium heat. Add the butter, mushrooms, salt, and pepper. Cook for 5 minutes, stirring occasionally. Then add the garlic, stir, and cook for another minute.
28g butter, 208g sliced mushrooms, 6g salt, 1g black pepper, 14g minced garlic
Add the starter/broth/milk mixture to the skillet. Lower the heat to medium low and stir. Cook for 5-10 minutes until thickened and bubbly, stirring frequently.
Turn the heat off and add 127g of the crispy onions and all of the green beans. Stir well and flatten the top. Then add the remaining 42g of onions on top.
169g gluten-free crispy onions, 1 lb frozen green beans
Put the skillet in the oven and bake 18-20 minutes. Serve hot and enjoy!!