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Grandma’s Onion Squares

Grandma's Onion Squares: Comfort Food You Can't Resist

Grandma's Onion Squares are a nostalgic comfort food with a flaky crust and caramelized onions.
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Prep Time 20 minutes
Cook Time 30 minutes
Cooling Time 5 minutes
Total Time 55 minutes
Servings: 8 squares
Course: Snacks
Cuisine: American
Calories: 150
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Dough
  • 2 cups all-purpose flour can be replaced with gluten-free blend
  • 1 tbsp baking powder
  • 1 tsp salt
  • 1/2 cup butter melted
  • 3/4 cup milk or non-dairy milk
  • 1 large egg or egg replacer for egg-free version
  • 2 large sweet onions substitute with yellow, white, or red onions
For the Filling
  • 1 tsp garlic powder optional
  • 1 cup cheese optional topping; try sharp cheddar or parmesan
  • to taste herbs fresh herbs like rosemary, thyme, or sage

Equipment

  • Baking Dish
  • skillet
  • Mixing Bowls
  • Whisk

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C) and prepare your baking dish by greasing it with butter or lining it with parchment paper.
  2. Melt a few tablespoons of butter in a skillet over medium-low heat. Add the chopped onions and a pinch of salt, sauté for about 8–10 minutes until golden.
  3. In a large bowl, whisk together flour, baking powder, and salt. In another bowl, mix melted butter, milk, and egg until smooth. Gradually add wet to dry ingredients, mixing gently.
  4. Spread the dough in the greased baking dish, spoon sautéed onions over it, sprinkle with cheese if desired. Bake for 25–30 minutes until golden brown.
  5. Remove from oven and let cool for 5 minutes. Slice into squares and serve warm.

Nutrition

Serving: 1squareCalories: 150kcalCarbohydrates: 18gProtein: 3gFat: 7gSaturated Fat: 4gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 2.5gCholesterol: 30mgSodium: 200mgPotassium: 120mgFiber: 1gSugar: 1gVitamin A: 250IUVitamin C: 2mgCalcium: 70mgIron: 1mg

Notes

Let squares cool completely before refrigerating. Store leftovers in an airtight container for 3-4 days.

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