Casseroles can be for summer too!
Heat oil in a large ovenproof skillet over medium-high heat.
Add beef and onion.

Photo: Jason Donnelly
Sprinkle with flour and cook, stirring, until the liquid has thickened, about 1 minute more.
Spread the mixture into an even layer.
Sprinkle with 1/2 cup cheese and arrange tots evenly over the cheese.
Coat the tots with cooking spray.
Transfer the pan to the oven.
Bake for 15 minutes.
Top with the remaining 1/2 cup tomatoes and garnish with chives, if desired.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
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