Introduction
This delightful mixed vegetable casserole is a perfect comfort food dish that will please both kids and adults alike. With a creamy mayonnaise and cheese base, combined with the crunchy goodness of Ritz cracker topping, it’s a great side dish for any meal or a satisfying vegetarian main course. Easy to prepare and deliciously baked, this casserole is sure to become a family favorite.
Detailed Ingredients with measures
16-ounce bag frozen mixed vegetables (e.g., green beans, peas, carrots, corn)
1 cup mayonnaise
1 cup shredded cheddar cheese
1 cup crushed Ritz crackers
½ cup butter, melted
Prep Time
20 minutes
Cook Time, Total Time, Yield
Cook Time: 30 minutes
Total Time: 50 minutes
Yield: Serves 6-8 people
Instructions
1. Preheat the oven to 350°F and grease a casserole dish with nonstick cooking spray.
2. In a medium bowl, combine the frozen mixed vegetables, mayonnaise, and shredded cheddar cheese. Mix well and spread evenly in the prepared casserole dish.
3. In a separate small bowl, mix the crushed Ritz crackers with the melted butter until well combined. Sprinkle this mixture evenly over the vegetable mixture in the casserole dish.
4. Bake in the preheated oven for 30 minutes, or until the casserole is bubbly and the cracker topping is golden brown.
Detailed Directions and Instructions
Step 1: Preheat the Oven
Preheat the oven to 350°F (175°C). While the oven is heating, prepare your casserole dish by greasing it with nonstick cooking spray to prevent sticking.
Step 2: Combine the Vegetables and Cheese
In a medium bowl, take the 16-ounce bag of frozen mixed vegetables. Add 1 cup of mayonnaise and 1 cup of shredded cheddar cheese to the bowl. Mix the ingredients thoroughly until the vegetables are evenly coated. Once mixed, spread this mixture evenly into the prepared casserole dish.
Step 3: Prepare the Cracker Topping
In a separate small bowl, combine 1 cup of crushed Ritz crackers with ½ cup of melted butter. Stir the mixture well until the crumbs are fully coated with butter.
Step 4: Assemble the Casserole
Evenly sprinkle the cracker and butter mixture over the vegetable mixture in the casserole dish, ensuring it covers the top adequately for a crispy finish.
Step 5: Bake the Casserole
Place the casserole in the preheated oven. Bake for 30 minutes, or until the casserole is bubbly, and the cracker topping is golden brown.
Notes
Avoid Soggy Topping
Make sure to mix the crushed crackers with melted butter thoroughly to ensure the topping is crispy after baking.
Vegetable Variations
Feel free to use any combination of frozen mixed vegetables based on your preference or what you have available.
Storage Instructions
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the oven for best results.
Serving Suggestions
This casserole pairs well with grilled meats or can be served as a hearty main dish for a vegetarian meal.

Cook techniques
Preheating the Oven
Preheating the oven ensures that your dish cooks evenly and thoroughly. Set your oven to 350°F before you start mixing your ingredients, so it’s ready when you are.
Mixing Ingredients
Combine the frozen mixed vegetables, mayonnaise, and shredded cheddar cheese in a medium bowl. Mixing these ingredients well ensures that the flavors are evenly distributed throughout the casserole.
Greasing the Casserole Dish
Using nonstick cooking spray helps to prevent the casserole from sticking to the dish, making it easier to serve and clean up afterward.
Combining Cracker Topping
Mix the crushed Ritz crackers with melted butter in a separate bowl. This combination creates a rich and crispy topping that adds texture to the casserole.
Baking the Casserole
Bake the casserole uncovered for 30 minutes. This method allows the top to become golden brown and bubbly, enhancing both the flavor and appearance of the dish.
FAQ
Can I use fresh vegetables instead of frozen?
Yes, you can use fresh vegetables, but you may need to blanch them before combining to ensure they are tender.
What can I substitute for mayonnaise?
You can substitute Greek yogurt or sour cream for mayonnaise for a healthier option with a similar texture.
Can I use a different type of cheese?
Absolutely! Feel free to use other cheeses such as Monterey Jack, mozzarella, or even a cheese blend based on your preference.
How do I store leftovers?
Store any leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in the oven or microwave before serving.
Can I make this casserole ahead of time?
Yes, you can assemble the casserole ahead of time and refrigerate it until you’re ready to bake, just add a few extra minutes to the baking time if cooking from cold.
Conclusion
This frozen mixed vegetable casserole is a delightful and easy dish that combines the creaminess of mayonnaise, the richness of cheese, and the crunch of Ritz crackers. Perfect for family gatherings or a simple weeknight meal, it is sure to please everyone at the table.
Cheesy Broccoli Casserole
Use fresh or frozen broccoli instead of mixed vegetables, and add a touch of garlic powder for extra flavor.
Chicken and Vegetable Bake
Incorporate cooked shredded chicken for a protein-packed version, blending it with the vegetables and mayonnaise for a hearty meal.
Spicy Southwest Casserole
Add diced jalapeños and black beans, along with some cumin and chili powder, for a zesty twist on this comforting dish.
Loaded Veggie Casserole
Mix in other vegetables like bell peppers, zucchini, or spinach for a colorful and nutrient-rich casserole option.
Cauliflower Cheddar Bake
Substitute cauliflower florets for the mixed vegetables and add a sprinkle of paprika to enhance the flavor.

