"Yield: approximately 6 servings..."
INGREDIENTS
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3 tablespoons unsalted butter
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1 cup frozen vegetable seasoning blend (celery, bell pepper, and onion)
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3 tablespoons all-purpose flour
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2 1⁄4 cups whole milk
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1 cup shredded sharp Cheddar cheese, divided
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1⁄2 cup grated Parmesan cheese
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2 teaspoons Dijon mustard
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1⁄2 teaspoon salt
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1⁄2 teaspoon garlic powder
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1⁄4 teaspoon ground black pepper
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1 (1-pound) bag frozen broccoli florets, thawed and drained
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1 (1-pound) bag frozen cauliflower florets, thawed and drained
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1⁄2 cup crushed buttery round crackers