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Tomato and Summer Squash Gratin with Oats

Tomatoes and summer squash make up this unique savory summer side dish. 

Prep Time
40 mins
Cook Time
40 mins
Total Time
1 hr 25 mins
Servings: 4 people
Calories: 195 kcal
Course: Side Dish
Cuisine: American

Ingredients

  • 1 lb summer squash (We used crooked neck), peeled and sliced ¼“ thick
  • 1 tsp salt
  • 1 Tbsp unsalted butter
  • 1 onion, diced
  • ¼ c unbleached all-purpose flour
  • 1 bay leaf
  • 1 tsp thyme
  • 1 tsp marjoram
  • ½ tsp basil
  • ½ tsp garlic powder
  • ½ tsp salt
  • 2 c milk
  • 1 lb tomatoes, sliced ¼“ thick
  • ½ c old fashioned rolled oats

Instructions

    Cup of Yum
  1. Preheat your oven to 400F.
  2. Place sliced squash in a large bowl. Toss with 1 tsp salt and set aside to let the salt pull the moisture from the squash for at least 10 minutes.
  3. In a large sauté pan, heat butter over medium heat. Add diced onions and sauté until golden brown and caramelized, 8-10 minutes.
  4. Remove the onions from the heat and mix in flour and seasonings until well mixed.
  5. Return the mixture to the heat. Add milk and bring to a simmer. Reduce the heat to medium low and stir constantly until the mixture has thickened, 3-5 min. Remove the sauce from the heat, and remove the bay leaf.
  6. Spread half of the sauce in a 9x9 baking dish. Rinse the salt from the squash slices and layer squash and tomato slices over the sauce. Spread the remaining sauce over top of the veggie slices. Top with the rolled oats.
  7. Cover the dish tightly with aluminum foil and bake for 30 minutes, until the dish begins to bubble near the center. Remove the foil and bake for an additional 10 minutes, until the dish is fully bubbly all the way to the center.
  8. Remove from the oven and let stand 5 minutes before serving.

Nutrition Information

Calories 195kcal (10%) Carbohydrates 31.2g (10%) Protein 8.5g (17%) Fat 4.2g (6%) Saturated Fat 2.1g (11%) Cholesterol 10mg (3%) Sodium 964mg (40%) Fiber 5g (20%) Sugar 12.5g (25%)

Nutrition Facts

Serving: 4people

Amount Per Serving

Calories 195

% Daily Value*

Calories 195kcal 10%
Carbohydrates 31.2g 10%
Protein 8.5g 17%
Fat 4.2g 6%
Saturated Fat 2.1g 11%
Cholesterol 10mg 3%
Sodium 964mg 40%
Fiber 5g 20%
Sugar 12.5g 25%

* Percent Daily Values are based on a 2,000 calorie diet.