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A golden‑browned, creamy casserole that smells of toasted cheddar and fresh herbs, while the tender chicken and zucchini keep every bite light and satisfying. Each spoonful delivers a comforting crunch, a velvety custard, and a burst of savory flavor that will have you reaching for seconds.

Why You'll Love This Recipe

I first discovered this low‑carb casserole on a rainy evening when I craved something warm but didn’t want to sabotage my keto goals. The moment the kitchen filled with the scent of melted cheddar and toasted almond flour, I knew I had found a new family favorite. The dish balances the delicate crunch of thinly sliced zucchini with juicy, seasoned chicken pieces, all bound together by a silky custard made from heavy cream and eggs. A sprinkle of smoked paprika adds a subtle smoky depth, while fresh thyme lifts the flavors with a bright, herbaceous note. It’s a casserole that feels indulgent yet stays light, making it perfect for a quick weeknight dinner or a relaxed weekend brunch. Because the ingredients are simple, the preparation is swift, and the result is a golden, bubbling masterpiece that looks as impressive as it tastes, you’ll find yourself reaching for this recipe again and again. Whether you’re counting carbs, feeding a crowd, or simply craving comfort food, this Auflauf delivers on taste, texture, and nutrition without compromise.

8 Reasons to Make This

Low‑Carb Friendly

Only 5 g net carbs per serving, perfect for keto or low‑carb plans.

High Protein

Chicken and cheese provide a solid 30 g of protein per portion.

Kid‑Friendly

Mild flavors and cheesy goodness make it a hit with the little ones.

Ready in 45 min

A quick bake that fits into a busy schedule.

Freezer‑Friendly

Prepare ahead, freeze, and reheat for stress‑free meals.

Gluten‑Free

Almond flour replaces traditional breadcrumbs.

Customizable

Swap chicken for turkey, add mushrooms, or go dairy‑free.

Deliciously Cheesy

A generous layer of sharp cheddar creates a golden crust.

Nutritious Veggies

Zucchini adds moisture, fiber, and a subtle sweetness.

Ingredients You'll Need

Main Ingredients

2 medium zucchini, thinly sliced
2 chicken breasts, diced (≈ 300 g)
1 cup shredded sharp cheddar cheese
½ cup heavy cream
2 large eggs

Seasonings & Extras

¼ cup almond flour
2 tbsp olive oil
1 tsp garlic powder
1 tsp smoked paprika

Easy Substitutions

No heavy cream? Use coconut cream for a dairy‑free version. Out of almond flour? Swap with coconut flour (use half the amount). Prefer a milder cheese? Substitute mozzarella or gouda. If you’re avoiding poultry, replace chicken with diced turkey or firm tofu.

Step-by-Step Instructions

1

Prepare the Zucchini

Trim the ends of the zucchini and slice them lengthwise into ¼‑inch ribbons using a mandoline or a sharp knife. Lightly salt the ribbons and let them sit in a colander for 5 minutes to draw out excess moisture, then pat dry with paper towels.

5 min

2

Cook the Chicken

Heat 1 tbsp olive oil in a large skillet over medium‑high heat. Add the diced chicken, season with salt, pepper, garlic powder, and smoked paprika, and sauté until golden brown and cooked through, about 6‑7 minutes. Transfer to a bowl and set aside.

7 min

3

Make the Custard

In a mixing bowl whisk together the heavy cream, eggs, a pinch of salt, and a dash of pepper until smooth. Stir in the almond flour; this will help thicken the custard and give the casserole a light crust.

4 min

4

Combine Ingredients

In a large baking dish (9‑inch square works well), layer half of the zucchini ribbons, followed by the cooked chicken, then sprinkle half of the shredded cheddar. Pour half of the custard over the layer, then repeat the remaining zucchini, chicken, cheese, and custard. Smooth the top with a spatula.

6 min

5

Add the Cheesy Topping

Scatter the remaining cheddar evenly over the top of the casserole. Drizzle the remaining 1 tbsp olive oil over the cheese to help it brown beautifully.

2 min

6

Bake to Perfection

Place the dish in a pre‑heated oven at 375°F (190°C) and bake for 20‑25 minutes, or until the custard is set and the cheese topping is golden‑brown and bubbling. If the top browns too quickly, cover loosely with foil.

25 min

7

Rest Before Serving

Allow the casserole to rest for 5‑7 minutes after removing it from the oven. This short rest lets the custard firm up, making it easier to cut clean slices.

6 min

8

Serve & Enjoy

Slice the casserole into squares, garnish with a sprinkle of fresh thyme or chopped parsley if desired, and serve warm. Pair with a simple green salad for a complete low‑carb meal.

2 min

Pro Tips from the Chef

Dry the zucchini well: Patting the ribbons dry prevents a watery casserole and helps the cheese crust stay crisp.

Use a hot oven: Starting at 375°F ensures the custard sets quickly, locking in moisture and flavor.

Don’t over‑mix the custard: Gentle whisking prevents air bubbles that could cause the casserole to puff and then collapse.

Freeze in portions: After cooling, cut into individual squares, wrap tightly, and freeze. Reheat directly from frozen for a fast meal.

Storage & Reheating

Refrigerator

Up to 3 days in an airtight container.

Freezer

Up to 2 months when wrapped tightly.

Reheat

350°F (175°C) for 15‑20 minutes, or microwave 2‑3 minutes.

Frequently Asked Questions

Absolutely! Diced turkey breast works just as well and adds a slightly milder flavor. Cook it the same way as the chicken, ensuring it reaches an internal temperature of 165°F.

Yes. With only about 5 g net carbs per serving and a high ratio of fat‑to‑protein, it fits comfortably within a standard 20‑gram daily carb limit.

Swap the heavy cream for full‑fat coconut cream and replace cheddar with a dairy‑free cheese blend. The almond flour stays the same, keeping the texture intact.