A tasty recipe I adapted from http://www.lowcarbzen.com.  Nutritional info:  Calories 616, Carbs 9.74, Fiber 3.376, Protein 39.73, Net carbs 6.4.  (Serving size: 1/6 of casserole.)

CASSEROLE INGREDIENTS:

• 1 lb. hamburger
• 16 oz. frozen cauliflower (1 bag)
• 10 oz. box frozen spinach
• 2 tsp. beef broth base (optional but adds a nice dimension to the flavor)
• 2 tbsp. minced garlic
• 2 tbsp. minced, dried onions
• 1 tbsp. liquid smoke (optional)
• Salt and pepper to taste
• Crushed pork rinds (about 1 cup)

SAUCE INGREDIENTS:

• 8 oz. cream cheese (1 pkg)
• 2 cups shredded Colby-Jack cheese
• 1 cup shredded Havarti cheese
• 1/2 cup heavy cream

INSTRUCTIONS:

1. Gather your ingredients.
2. Preheat oven to 350 degrees.
3. Cook up your hamburger.  Add in the broth base, the liquid smoke, garlic and onions to cook with the hamburger.
4. Cook spinach in the microwave.  Drain well.
5. Add spinach to browned hamburger.  Mix.
6. Cook the cauliflower.  You can cook however you want, but I cooked it in the microwave.  Put on paper towels to dry.
7. Put cauliflower in casserole dish.
8. Melt cream cheese and 2/3 of the shredded cheeses with the 1/2 cup heavy cream over medium low heat.  Be careful not to burn, stirring regularly.
9. Put hamburger mix in casserole dish with the cauliflower.  Mix well.
10. Dump melted cheese mixture over the hamburger, spinach and cauliflower.  Mix well.
11. Sprinkle remaining shredded cheese.
12. Bake about 10 minutes.  Add crushed pork rinds mixed with seasoning if using.
13. Bake another 15 minutes for a total of about 25 minutes, until browned around the edges and bubbly.