1-First Step: Preheat the oven to 375°F and lightly grease an 8- or 9-inch baking dish. If you want extra-crispy tots, you can bake at 400°F later.

2-Second Step: Brown the lean ground beef in a skillet over medium-high heat. Drain excess fat so the casserole stays thick and not greasy. Dietary swap: use ground turkey or ground chicken and season the same way.

3-Third Step: Sauté diced onion until translucent. Stir in minced garlic and cook for 1 additional minute. This prevents raw garlic flavor and builds that warm savory base.

4-Fourth Step: Mix in Worcestershire sauce. Season with salt and pepper to taste. For a gluten-free version, pick a Worcestershire sauce that meets your needs.

5-Fifth Step: Spread the beef mixture evenly in the greased baking dish. The goal here is a level layer, so every bite has the same flavor density.

6-Sixth Step: Top with condensed cream of mushroom soup. Variation: swap to cream of chicken soup for a slightly milder taste.

7-Seventh Step: Add drained green beans and season them lightly with salt and pepper. Alternative veggies: mixed vegetables, corn, peas, or broccoli work well. Keep the layer even so the base stays creamy.

8-Eighth Step: Sprinkle shredded cheddar cheese over the green beans. Bonus tip: using freshly grated cheese often melts better than pre-shredded.

9-Ninth Step: Layer frozen tater tots on top. Bake for 35 to 40 minutes at 375°F. Critical technique: don’t thaw the tots beforehand so they crisp instead of getting soggy.

10-Final Step: Let the casserole rest briefly, then season the top after baking and serve immediately. It’s done when the tots are golden brown and the cheese is melted.