Name: Comforting Mixed Bean Casserole
Ingredients: 2 tablespoons Olive Oil: Used for sautéing the vegetables, this forms the flavorful base of our casserole. Extra virgin olive oil will lend a richer, fruitier note.; 1 large Yellow Onion, diced: Yellow onions provide a foundational sweetness when cooked down, balancing the acidity of the tomatoes.; 2 medium Carrots, peeled and diced: These add a subtle sweetness, a beautiful color, and an extra dose of vitamins to the dish.; 2 Celery Stalks, diced: Celery provides a slightly salty, earthy background note that is essential for a well-rounded savory flavor profile, often referred to as a mirepoix when combined with onion and carrot.; 4 cloves Garlic, minced: Freshly minced garlic is key for that pungent, aromatic kick. Don’t be shy with it; it’s a cornerstone of comforting cuisine.; 1 (15-ounce) can Red Kidney Beans, rinsed and drained: Meaty and robust, kidney beans hold their shape well and provide a wonderful, firm texture.; 1 (15-ounce) can Black Beans, rinsed and drained: These add a slightly sweeter, earthier flavor and a softer texture that complements the other beans perfectly.; 1 (15-ounce) can Cannellini Beans (or Great Northern Beans), rinsed and drained: Creamy and mild, cannellini beans add a luxurious texture to the casserole sauce as they cook.; 1 (28-ounce) can Crushed Tomatoes: This is the heart of our sauce. Crushed tomatoes provide the perfect consistency—not too chunky, not too smooth—and a bright, tangy flavor. Fire-roasted crushed tomatoes are a fantastic option for an added layer of smokiness.; 1/2 cup Vegetable Broth: Used to deglaze the pan and thin the sauce to the perfect consistency, ensuring the casserole doesn’t become too dry during baking.; 2 teaspoons Dried Oregano: This herb brings a classic, peppery, and slightly sweet Mediterranean flavor that pairs beautifully with tomatoes.; 1 teaspoon Smoked Paprika: A secret weapon for adding a smoky, deep flavor without any meat. It elevates the dish from simple to complex.; 1 teaspoon Cumin Powder: Cumin adds a warm, earthy, and slightly citrusy note that is essential in many bean dishes.; 1/2 teaspoon Red Pepper Flakes (optional): For those who like a little warmth, a pinch of red pepper flakes adds a gentle, lingering heat. Adjust to your preference.; Salt and Freshly Ground Black Pepper to taste: Essential for enhancing all the other flavors. Be sure to taste and adjust at the end.; 1.5 cups Shredded Sharp Cheddar or Monterey Jack Cheese: The glorious cheesy topping. Sharp cheddar provides a tangy bite, while Monterey Jack offers a superior melt. A combination of both is heavenly.

Ingredients

Scale

This recipe relies on pantry staples, making it both accessible and budget-friendly. Each ingredient plays a crucial role in building layers of deep, savory flavor.

2 tablespoons Olive Oil: Used for sautéing the vegetables, this forms the flavorful base of our casserole. Extra virgin olive oil will lend a richer, fruitier note.
1 large Yellow Onion, diced: Yellow onions provide a foundational sweetness when cooked down, balancing the acidity of the tomatoes.
2 medium Carrots, peeled and diced: These add a subtle sweetness, a beautiful color, and an extra dose of vitamins to the dish.
2 Celery Stalks, diced: Celery provides a slightly salty, earthy background note that is essential for a well-rounded savory flavor profile, often referred to as a mirepoix when combined with onion and carrot.
4 cloves Garlic, minced: Freshly minced garlic is key for that pungent, aromatic kick. Don’t be shy with it; it’s a cornerstone of comforting cuisine.
1 (15-ounce) can Red Kidney Beans, rinsed and drained: Meaty and robust, kidney beans hold their shape well and provide a wonderful, firm texture.
1 (15-ounce) can Black Beans, rinsed and drained: These add a slightly sweeter, earthier flavor and a softer texture that complements the other beans perfectly.
1 (15-ounce) can Cannellini Beans (or Great Northern Beans), rinsed and drained: Creamy and mild, cannellini beans add a luxurious texture to the casserole sauce as they cook.
1 (28-ounce) can Crushed Tomatoes: This is the heart of our sauce. Crushed tomatoes provide the perfect consistency—not too chunky, not too smooth—and a bright, tangy flavor. Fire-roasted crushed tomatoes are a fantastic option for an added layer of smokiness.
1/2 cup Vegetable Broth: Used to deglaze the pan and thin the sauce to the perfect consistency, ensuring the casserole doesn’t become too dry during baking.
2 teaspoons Dried Oregano: This herb brings a classic, peppery, and slightly sweet Mediterranean flavor that pairs beautifully with tomatoes.
1 teaspoon Smoked Paprika: A secret weapon for adding a smoky, deep flavor without any meat. It elevates the dish from simple to complex.
1 teaspoon Cumin Powder: Cumin adds a warm, earthy, and slightly citrusy note that is essential in many bean dishes.
1/2 teaspoon Red Pepper Flakes (optional): For those who like a little warmth, a pinch of red pepper flakes adds a gentle, lingering heat. Adjust to your preference.
Salt and Freshly Ground Black Pepper to taste: Essential for enhancing all the other flavors. Be sure to taste and adjust at the end.
1.5 cups Shredded Sharp Cheddar or Monterey Jack Cheese: The glorious cheesy topping. Sharp cheddar provides a tangy bite, while Monterey Jack offers a superior melt. A combination of both is heavenly.

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Instructions

Follow these detailed steps to create a flawless bean casserole. The key is to build flavor at each stage, from sautéing the vegetables to simmering the sauce.

Preheat and Prepare: Begin by preheating your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish or a similar 3-quart casserole dish with butter or cooking spray. This will prevent the casserole from sticking and make cleanup much easier.
Sauté the Aromatics: Place a large, heavy-bottomed pot or Dutch oven over medium heat. Add the olive oil. Once the oil shimmers, add the diced yellow onion, carrots, and celery. Sauté the vegetables for about 8-10 minutes, stirring occasionally, until they have softened and the onion is translucent. This slow sauté is crucial for developing a sweet, deep flavor base, so don’t rush this step.
Bloom the Spices and Garlic: Add the minced garlic, dried oregano, smoked paprika, cumin, and optional red pepper flakes to the pot. Stir constantly for about 1 minute until the spices are fragrant. This process, known as “blooming,” toasts the spices in the hot oil, which intensifies their flavor and aroma significantly.
Deglaze and Build the Sauce: Pour in the vegetable broth to deglaze the pan. Use a wooden spoon to scrape up any browned bits stuck to the bottom of the pot—this is where a ton of flavor is concentrated. Stir in the 28-ounce can of crushed tomatoes. Bring the mixture to a gentle simmer.
Add the Beans and Simmer: Carefully add the rinsed and drained kidney beans, black beans, and cannellini beans to the pot. Stir everything together gently to avoid mashing the beans. Season generously with salt and black pepper. Reduce the heat to low, cover the pot, and let the mixture simmer for at least 15-20 minutes. This simmering time is vital for allowing all the individual flavors to meld together into a cohesive, delicious sauce. The longer it simmers, the deeper the flavor will be.
Assemble the Casserole: After simmering, taste the bean mixture and adjust the seasoning if necessary. You might need more salt, pepper, or a pinch of red pepper flakes. Carefully pour the bean mixture from the pot into your prepared baking dish, spreading it into an even layer.
Top with Cheese and Bake: Sprinkle the shredded cheese evenly over the top of the bean mixture. Make sure to cover it from edge to edge for a perfect cheesy crust.
Bake to Golden Perfection: Place the casserole dish in the preheated oven. Bake, uncovered, for 25-30 minutes. The casserole is done when the sauce is bubbling vigorously around the edges and the cheese on top is completely melted, golden brown, and slightly crispy in spots.
Rest and Serve: Carefully remove the casserole from the oven. Let it rest for at least 10-15 minutes before serving. This crucial resting period allows the casserole to set, making it easier to serve and allowing the flavors to settle. It will be incredibly hot, so this also prevents burnt tongues! Garnish with fresh parsley or cilantro if desired, and serve warm.

Nutrition

Serving Size: one normal portion
Calories: 380
Fiber: 15g
Protein: 18g