Paleo Mongolian Beef | Umami

Ingredients

• 1 ½ pounds beef flank steak (cut into 1/4-inch thick pieces against the grain)
• 2 teaspoons arrowroot
• 4 tablespoons butter (ghee, or avocado oil, divided)
• 1 teaspoon sesame oil
• 4 cloves garlic (minced)
• 2 teaspoons fresh ginger (grated)
• 4 whole dried chili peppers (crush for more spice)
• 2 cups 16.9 fluid ounces coconut aminos
• Sea salt (to taste)
• 1 bunch green onions (cut into 1.5-inch long pieces on a diagonal)
• 1 teaspoon white sesame seeds (for garnish, optional)