Pineapple Au Gratin Casserole

Prep: 10 min Cook: 30 min Serves: 6 Cuisine: American

A sweet and cheesy pineapple casserole with a crunchy Ritz cracker topping, perfect for holiday dinners or casual gatherings, offering a delightful combination of tropical fruit and rich flavors.

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Ingredients

  • 1 cup pineapple chunks
  • 2 tablespoons pineapple juice
  • 1 cup finely grated cheddar cheese
  • 1/2 cup sugar
  • 3 tablespoons flour
  • 1/2 stick butter

Instructions

  1. Combine pineapple chunks, reserved pineapple juice, and finely grated cheddar cheese in a mixing bowl.
  2. Mix sugar and flour together and stir into the pineapple mixture.
  3. Pour the mixture into a greased casserole dish.
  4. Cover the casserole with crushed Ritz crackers.
  5. Melt butter and drizzle over the top of the casserole.
  6. Bake at 350°F for 30 minutes, uncovered, until bubbly and golden.

Tips & Substitutions

For a richer flavor, consider using fresh pineapple instead of canned. If you want a twist, substitute half of the cheddar cheese with Gruyère for a more complex taste. For a crunchier topping, add some toasted coconut flakes with the crushed Ritz crackers. Make sure to grease the casserole dish well to prevent sticking.

Serving Suggestions

Pineapple Au Gratin Casserole pairs beautifully with grilled meats, making it a great side for Easy Cajun Baked Chicken. You can also serve it alongside a fresh salad or as part of a brunch spread with dishes like Baked Egg Casserole. Garnish with fresh herbs for a pop of color.

Storage & Reheating

Leftovers can be stored in an airtight container in the refrigerator for up to three days. To reheat, place the casserole in a preheated oven at 350°F for about 15-20 minutes or until heated through. Covering it with foil can help prevent it from drying out during reheating.

Nutrition & Diet Analysis (per serving)

Each serving of Pineapple Au Gratin Casserole contains roughly 372 calories, with 13g protein, 31g carbohydrates, and 22g fat. It is an excellent source of protein (25% of the Daily Value) and calcium (23% of the Daily Value), and a good source of vitamin C and vitamin A.

372 kcal 19% DV
Protein Fat Carbs

Macronutrients

Protein 12.6g 25% DV
Total Fat 22.4g 29% DV
Carbs 31g 11% DV
Fiber 2.5g 9% DV
Sugar 0.3g 1% DV

Electrolytes

Sodium 288.2mg 13% DV
Potassium 165.5mg 4% DV
Cholesterol 62.8mg 21% DV

Vitamins & Minerals

Vitamin A 135.7mcg 15% DV
Vitamin C 15.2mg 17% DV
Vitamin D 0.2mcg 1% DV
Calcium 305.5mg 23% DV
Iron 1.5mg 8% DV
Diet fit Under 400 cal
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Assemble it completely, cover it tightly, and refrigerate. When ready to bake, simply remove it from the fridge and add a few extra minutes to the baking time to ensure it's heated through.

What can I use instead of Ritz crackers?

If you don't have Ritz crackers, you can use crushed buttery crackers, panko breadcrumbs, or even cornflakes for a different texture. Each will give a unique crunch and flavor to the topping, so choose based on your preference.

Is this dish suitable for vegetarians?

Yes, Pineapple Au Gratin Casserole is a vegetarian dish, as it contains no meat or fish products. However, always check the cheese used to ensure it aligns with vegetarian standards, particularly regarding animal rennet.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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