Preheat oven to 400 degrees Fahrenheit.
In a deep pot, brown the beef on medium-high heat, breaking it up with a spatula.
2 pounds 88% lean ground beef
Once the beef is cooked and no longer pink, add in the onion, garlic, seasonings, and Worcestershire. Sauté for 1-2 minutes. Add the chopped mushrooms and flour to the pot, and continue to sauté for 2-3 minutes.
1 medium yellow onion, 4 cloves garlic, 1 ½ teaspoons paprika, 1 ½ teaspoons oregano, 1 ½ teaspoons thyme, 1 ½ teaspoons salt, 1 teaspoon black pepper, 1 Tablespoon Worcestershire sauce, 6 ounces baby Portobello mushrooms, 5 Tablespoons all-purpose flour
Reduce the heat to medium, and stir in the milk for 1-2 minutes or until it is well incorporated and begins to thicken. Stir in the pimentos, green beans, and cheese.
1 ½ cups whole milk, 4 ounces canned pimento peppers, 1 cup frozen thawed green beans, ½ cup Gouda cheese or shredded cheese of choice
Transfer the ingredients to a 13x9 baking dish, and layer the tater tots on top.
1 32-ounce bag frozen tater tots
Bake uncovered for 40-45 minutes or until the tater tots are golden brown and crisp.
Store covered in the fridge for up to 5 days.