Jammy Onion Pasta slow-caramelizes red onions into sticky sweet jam, simmers with tomatoes for glossy sauce coating al dente pasta. Italian-American main builds bold flavor in 45 minutes, cheesy garlicky finish. Serves 4 hungry, ultimate pantry pasta upgrade.

Jammy Onion Pasta Recipe
Caramelized red onions in tomato sauce over pasta. Silky Italian-American main, sweet tangy.
Ingredients
Equipment
Method
- Heat olive oil in large skillet over medium-low using measuring cup. Add sliced onions and garlic with wooden spoon. Cook 25-30 minutes stirring often till deep golden jammy soft, no burn.
- Stir crushed tomatoes, red pepper flakes, salt, pepper from measuring spoons into onions. Simmer 10 minutes thick glossy with wooden spoon. Taste adjust salt.
- Boil large pot salted water. Add rigatoni, cook al dente per box minus 1 minute. Reserve 1 cup pasta water with measuring cup. Drain colander.
- Add pasta to skillet sauce with tongs. Pour ½ cup reserved water. Toss vigorous wooden spoon 2 minutes till sauce clings glossy. Stir parmesan till melted creamy.
- Plate pasta twirls. Tear basil over top. Grate extra parmesan. Hit table steaming.
Notes
- Low slow onions key; rush stays raw sharp. Red onions sweeten best.
- Pasta water thickens sauce magic; save extra.
- Vegan: skip parm, nutritional yeast swap. Fridge 3 days, reheat splash water.

