Hamburger Steaks with Mushroom Gravy

Ingredients

• 1 lb. ground beef
• 1 egg
• 1 tsp garlic powder
• 1 tsp onion powder
• 1 1/2 tsp sea salt
• 1/2 tsp black pepper
• 1 T avocado oil
• 8oz sliced baby bella mushrooms
• 1 small yellow onion, thinly sliced
• 2 T cassava flour
• 1 1/2 C beef broth
• 1 T coconut aminos
• 2 tsp fresh thyme
• 4 garlic cloves, minced