Savor the irresistible comfort of Hot Onion Squares, a savory baked delight that’s perfect for sharing. This recipe combines sweet, golden caramelized onions with sharp cheddar cheese, a touch of fragrant thyme, and a pillowy batter for a dish that’s bursting with flavor. With a crispy golden crust and a soft, cheesy interior, these squares are a crowd-pleasing addition to any gathering, whether served as an appetizer, side, or snack. Ready in under an hour, this easy recipe highlights pantry staples like all-purpose flour, butter, and milk, making it a simple yet satisfying choice for busy weeknights or special occasions. Enjoy them warm from the oven for ultimate cheesy onion bliss!
Preheat your oven to 375°F (190°C).
Coat a 9x9-inch baking dish with cooking spray and set it aside.
Peel and slice the onions thinly.
In a large skillet, melt the butter over medium heat.
Add the sliced onions to the skillet and cook them for 10-12 minutes, stirring occasionally, until they are soft and golden brown. Remove from heat and set aside.
In a large mixing bowl, combine the flour, salt, black pepper, and thyme. Mix well.
Add the shredded cheddar cheese to the dry mixture and toss to combine.
In a separate bowl, whisk together the milk and the egg until fully combined.
Pour the milk and egg mixture into the dry ingredients and stir until a thick batter forms.
Fold the caramelized onions into the batter gently.
Pour the batter into the prepared baking dish, spreading it out evenly with a spatula.
Bake in the preheated oven for 25-30 minutes, or until the top is golden brown and set.
Remove from the oven and let the dish cool for 5 minutes.
Cut into squares and serve warm. Enjoy your Hot Onion Squares!
Calories |
1900 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 114.0 g | 146% | |
| Saturated Fat | 66.5 g | 332% | |
| Polyunsaturated Fat | 3.5 g | ||
| Cholesterol | 549 mg | 183% | |
| Sodium | 3943 mg | 171% | |
| Total Carbohydrate | 151.0 g | 55% | |
| Dietary Fiber | 11.7 g | 42% | |
| Total Sugars | 28.9 g | ||
| Protein | 73.0 g | 146% | |
| Vitamin D | 3.6 mcg | 18% | |
| Calcium | 1599 mg | 123% | |
| Iron | 8.0 mg | 44% | |
| Potassium | 1180 mg | 25% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.