Kohlrabi and Tomato Casserole with Sage
A comforting layered casserole combining tender kohlrabi, juicy tomatoes, and fragrant sage baked to a golden finish. This mediterranean-inspired vegetarian (vegetarian) ready in about 65 minutes pairs medium (about 2.5 lbs) kohlrabi bulbs, large (about 1 lb) ripe tomatoes, leaves fresh sage leaves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 3 medium (about 2.5 lbs) kohlrabi bulbs
- 3 large (about 1 lb) ripe tomatoes
- 10 leaves fresh sage leaves
- 3 tbsp olive oil
- 1/2 cup grated Parmesan cheese
- 1 tsp salt
- 1/2 tsp freshly ground black pepper
- 2 cloves minced garlic
Instructions
- Step 1: Preheat oven to 375°F (190°C). Peel and thinly slice 3 medium kohlrabi bulbs into 1/8-inch rounds.
- Step 2: Core and slice 3 large ripe tomatoes into 1/4-inch thick rounds.
- Step 3: Heat 3 tbsp olive oil in a skillet over medium heat. Add 2 minced garlic cloves and 10 fresh sage leaves; sauté for 2 minutes until fragrant but not browned, then remove from heat.
- Step 4: Lightly grease a 9x9-inch baking dish. Arrange a layer of kohlrabi slices to cover the bottom, sprinkle with salt and pepper, then add a layer of tomato slices.
- Step 5: Drizzle half of the garlic and sage olive oil over the layers. Repeat layering with remaining kohlrabi and tomatoes, seasoning each layer.
- Step 6: Sprinkle 1/2 cup grated Parmesan cheese evenly over the top.
- Step 7: Cover with foil and bake for 30 minutes. Remove foil and bake for an additional 15 minutes until the top is golden and bubbly.
- Step 8: Let rest for 10 minutes before serving to allow the casserole to set.
Frequently asked questions
How long does Kohlrabi and Tomato Casserole with Sage take to make?
Total time is about 65 minutes (20 min prep + 45 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Kohlrabi and Tomato Casserole with Sage?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep leaves fresh sage leaves from drying out.
Can I substitute ingredients in Kohlrabi and Tomato Casserole with Sage?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Kohlrabi and Tomato Casserole with Sage for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Kohlrabi and Tomato Casserole with Sage vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
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