Can you make these sliders ahead of time?
Yes. Assemble the sliders, cover with foil, and refrigerate up to 4 hours before baking. Bake from cold, adding 2–3 minutes to baking time.
Why do you fry the bologna before assembling?
Pan-frying the bologna renders the edges, adds browning and texture, and prevents the sliders from becoming soggy during baking.
What can you substitute for American cheese?
Cheddar or pepper jack work well. American cheese melts most smoothly and is most traditional for this recipe.
How do you know when the sliders are done baking?
Bake until the tops are golden brown and the cheese is melted throughout, about 12–15 minutes at 350°F.
Can you double or halve this recipe?
Yes. Scale all ingredients proportionally. Baking time may vary slightly depending on quantity and pan size.