Delicious Fermented Foods That Boost Gut Health Instantly

57. Fermented Onion Paste (Sri Lankan Lunu Miris Base)

In Sri Lankan households, spicy onion-chili pastes like lunu miris are sometimes aged for a few days to allow natural fermentation before serving. When fermented, red onions develop prebiotics into probiotics, and the added lime, chili, and Maldive fish bring in enzymes and beneficial microbes. This paste boosts digestion, opens up appetite, and balances the gut—especially when paired with starches like rice, hoppers, or roti. It’s a bold, fiery ferment that delivers far more than flavor: it's functional gut support hidden in plain sight.

58. Salo: The Ukrainian Fermented Pork Fat

A truly unique addition to any fermented food list, salo is a traditional Ukrainian delicacy made from salt-cured pork fat. While it might sound unusual, the fermentation process of salo with garlic and spices transforms it into a complex, savory food that is rich in healthy fats and enzymes. The slow curing process helps break down the fat, making it more digestible. It's often eaten raw and thinly sliced on rye bread with garlic, and while it doesn't contain the live bacterial cultures of yogurt or sauerkraut, its fermented nature and rich nutrient profile have long made it a staple for energy and vitality in Eastern European diets.