These oven baked 4-ingredient Swiss onion potato bites are the sort of simple little appetizer that disappears fast at picnics, potlucks, and summer suppers. They remind me of the practical recipes that showed up on Midwestern tables in the 1980s, when a bag of potatoes, a sweet onion, and a block of good Swiss cheese could be turned into something cozy and memorable without much fuss. With crisp-edged potato rounds, tender onion, and bubbly melted cheese, this is the kind of old-fashioned party food folks still reach for first.Serve these warm on a platter alongside burgers, grilled bratwurst, or baked ham, or set them out as an appetizer with toothpicks for easy grabbing. They also pair nicely with a fresh green salad, sliced tomatoes, dill pickles, or a cool spoonful of sour cream on the side if you want a little contrast to the rich cheese and potatoes.Oven Baked 4-Ingredient Swiss Onion Potato BitesServings: 6Finished Swiss onion potato bitesFinished Swiss onion potato bitesIngredients4 medium Yukon Gold potatoes, scrubbed and sliced into 1/4-inch rounds1 large sweet onion, thinly sliced and chopped into small pieces2 cups shredded Swiss cheese3 tablespoons melted butterMain ingredients for potato bitesMain ingredients for potato bitesDirections
Preheat the oven to 400°F. Line a large baking sheet or shallow baking pan with parchment paper, then lightly brush or drizzle the surface with a little of the melted butter.Prepared baking sheet with potato slicesPrepared baking sheet with potato slices
Arrange the potato rounds in a single layer on the prepared pan. Brush the tops lightly with melted butter so they roast up tender inside and golden at the edges.Butter brushed potato rounds on baking sheetButter brushed potato rounds on baking sheet
Scatter a small spoonful of chopped onion over each potato round, then top each one with a pinch of shredded Swiss cheese.Potato rounds topped with onion and Swiss cheesePotato rounds topped with onion and Swiss cheese
Bake for 22 to 28 minutes, until the potatoes are fork-tender, the onions have softened and browned a bit, and the cheese is melted and bubbly with golden spots.Freshly baked potato bites on baking sheetFreshly baked potato bites on baking sheet
Let the bites rest for 3 to 5 minutes, then transfer to a serving dish and serve warm.Plated Swiss onion potato bites with simple sidesPlated Swiss onion potato bites with simple sidesVariations & TipsMake-ahead tip: Slice the potatoes and onions a few hours ahead, but keep the potato slices in cold water so they do not darken. Drain and pat them very dry before assembling, or they will steam instead of roast.Cheese swap:
If Swiss is not your favorite, try Gruyère for a richer flavor or mozzarella for a milder, stretchier bite. The finished bites will look a little different, but they will still bake up nicely.Potato bites made with Gruyere cheesePotato bites made with Gruyere cheeseAdd a little seasoning: Even with just four ingredients, a pinch of black pepper, garlic powder, or paprika can add another layer of flavor if your crowd likes a little extra zip.Best potato choice: Yukon Gold potatoes hold their shape well and turn creamy inside, but red potatoes also work nicely for small appetizer bites. Try to slice them evenly so everything cooks at the same pace.