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Creamy Cauliflower Au Gratin

This modern take on a creamy classic replaces potatoes for cauliflower and is baked in a Ziploc Endurables® Medium Container. It can be prepared ahead and served as a decadent side dish at your next meal.

Prep time

10 mins



Cook time

34 mins
1 cup carrot slices

4 cups small cauliflower florets

3 tbsp. water

4 oz. brick cream cheese

cup milk

½ tsp. Dijon mustard

tsp. each salt and white pepper

tbsp. butter, divided use

4 oz. aged Gruyère cheese, shredded

1 tbsp. chopped fresh chives

½ cup panko bread crumbs

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Ziploc Endurables® Medium Container

Freeze it. Bake it. Boil it. Microwave it. Ziploc Endurables® Medium Silicone Containers are designed to go directly from freezer, to oven, to table.

Due to their durable platinum silicone material, these mighty Medium Containers can withstand extreme temperatures and can be reused over and over again. They're oven-safe up to 425 °F and work seriously well in a sous vide. They're also freezer safe

The thoughtfully designed Cool Grab Tabs™ allow for easy handling after heating. Secure Seal Technology helps keep food fresh while stored or frozen.

This Medium silicone Container holds up to 4 cups so it's perfect for preparing dinner for the whole family or storing your leftovers for the next day. Plus, you can say goodbye to doing the dishes, as it's dishwasher safe on the top and bottom racks.

The Ziploc Endurables® Medium silicone Container is an all-in-one solution to mealtime, designed to be continuously used, reused, then recycled. The possibilities are infinite!

Front of Ziploc medium container

Heat oven to 400 °F.


Place carrots in the Endurables® Container; top with cauliflower. Add water. Squeeze air from Container and close zipper, leaving 1 inch opening to vent. Place on microwave-safe dish and microwave on HIGH 4 min. Pour vegetable mixture into colander; drain. Set aside.


Add cream cheese, milk, mustard, seasonings and ½ Tbsp. butter to the Endurables® Container. With zipper open, microwave 1 min. Whisk until smooth.


Stir in Gruyère and chives. Microwave 1 min.; stir until Gruyère is completely melted and sauce is well blended.


Add about half the vegetable mixture to Endurables® Container; stir. Repeat with remaining vegetable mixture. Smooth surface with back of spoon.


Microwave remaining butter in a Endurables® Container for 30 sec or until melted. Add bread crumbs; stir to coat. Sprinkle evenly over vegetable mixture. Place Endurables® Container on baking sheet.


Bake 20 min with zipper open or until vegetable mixture is hot and bubbly, and bread crumb topping is golden brown. Remove from oven; let stand 5 min. Use Cool Grab Tabs™ to carefully remove Endurables® Container from baking sheet.

Tips & Hints

Make Ahead: Assemble casserole as directed. Squeeze top of filled Endurables® Container to remove as much air as possible, then close zipper. Freeze up to 3 months. When ready to serve, remove from freezer and place on baking sheet. With zipper open, bake in 375 °F oven 1 hour to 1 hour 10 mins. or hot and bubbly and center of casserole is hot.

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