Grandma's Stuffed Cabbage Rolls

Ingredients

• ½ cup white rice
• Kosher salt
• 1 tablespoon safflower, sunflower or other neutral oil plus some for flying
• 1/2 small yellow onion, minced
• 1 ½ pounds grass-fed ground beef, 85% or ground turkey thigh
• Freshly ground black pepper
• 1 large head cabbage, savoy or other, cored
• 2 cups tomato puree