Meatloaf with Oatmeal

This Meatloaf with Oatmeal delivers everything you love about classic meatloaf: moist, tender, and savory, with a surprisingly simple twist.

I’ve always loved meatloaf, but this version with oatmeal has become my favorite. I first made it after running out of breadcrumbs one night and deciding to experiment. To my surprise, the oats didn’t just work — they made it better: tender, deeply flavorful, and packed with mushrooms. Now it’s the only way I make it. It’s naturally gluten-free and still hits all the classic notes, even for the most skeptical eaters.

This twist on a classic meatloaf uses rolled oats instead of bread or breadcrumbs, but you’d never know it. The oats completely dissolve into the mix, creating an exceptionally moist texture without a hint of oatmeal taste. They bind the loaf just as well as breadcrumbs and add a subtle nuttiness that complements the beef beautifully. It’s a small swap that makes a big difference in both texture and flavor.

“I made it almost 2 weeks ago and I’m getting ready to make it tonight very good I add a couple other spices myself and yes I agree it’s a leftovers per sandwiches are just heating up is very good if not better” ~Amanda Wadsworth

Recipe at a Glance

• Gluten-free (no breadcrumbs!)
• Exceptionally tender, never dry
• Family-friendly and great leftover
• Mushrooms add depth without overpowering

Meatloaf With Oatmeal Ingredients

• Eggs: Large or extra-large work best. They help bind everything together.
• Ketchup: I like to use naturally sweetened ketchup instead of those made with high-fructose corn syrup (Portland Ketchup is my favorite brand). You can swap in Honey BBQ Sauce or your favorite BBQ sauce for part or all of the ketchup if you prefer.
• Italian Seasoning: I use a pre-mixed blend, but you can make your own with dried thyme, oregano, marjoram, and rosemary.
• Onion: Yellow or sweet onion both work great. Look for firm ones without any soft spots.
• Mushrooms: Button or small cremini mushrooms add a savory, earthy flavor. Choose firm, dry mushrooms with tight caps and avoid washing them under running water. Just brush off any dirt with a damp paper towel.
• Rolled Oats: I prefer old-fashioned oats for their texture. Quick oats will dissolve too much and change the texture. Avoid instant oats. The oats completely disappear into the meatloaf as it cooks, helping to bind it without adding any “oatmeal” flavor.
• Parsley: Fresh flat-leaf (Italian) parsley brightens everything up. I use the leaves only and chop them just before mixing.
• Lean Ground Beef: I recommend 85% lean for the best balance of flavor and moisture—extra-lean can make your meatloaf dry. You can replace half the beef with ground pork for a little added richness. If you want a lightened up version, try my Turkey Meatloaf instead (also made with oatmeal).
• Salt and Pepper: I use kosher salt. If you’re using fine sea salt, use about half the amount. Freshly ground black pepper is ideal, but pre-ground works in a pinch.

Why This Recipe Works

• Oats act as an ideal gluten-free binder. They dissolve as the meatloaf bakes, holding everything together without leaving any detectable texture or flavor.
• A full half-pound of mushrooms adds deep, savory flavor and keeps the meatloaf incredibly moist without needing extra fat.
• Mixing the ingredients in stages helps prevent overworking the meat, which can make meatloaf dense or rubbery. I start with the wet ingredients and vegetables, then gently mix in the beef.
• Baking low and slow at 325°F gives the meatloaf time to cook evenly, allowing the edges to brown without drying out the center.
• I’ve tested this recipe multiple times using different beef blends, and 85% lean consistently gives the juiciest results without excess grease in the pan.

How to Make Meatloaf with Oatmeal

Mix the ingredients
In a large bowl, whisk the eggs, ketchup, Italian seasoning, salt, and pepper. Stir in the onion, mushrooms, parsley, and oats. Mixing these first spreads the flavor evenly and keeps the meat from getting overworked. Add the ground beef and use your hands to mix just until combined. The mixture should look uniform but still a little loose; it will firm up as it bakes.

Shape and bake the meatloaf
Transfer the mixture to a 9×5-inch loaf pan and gently press it into the corners. Smooth the top without packing it down. Bake at 325°F for 60 to 75 minutes, until a thermometer reads 160°F in the center. Let it rest for 10 minutes before slicing so the juices can settle. Serve warm, or refrigerate and enjoy cold slices in sandwiches the next day.

Serving Suggestions

This meatloaf works well with classic comfort food sides or something brighter to balance the richness. Here are a few combinations I like:

• Mashed Red Potatoes or Yukon Gold Mashed Potatoes and Classic Wedge Salad
• Brabant Potatoes and Arugula Apple Salad
• Lyonnaise Potatoes and Lemon Garlic Asparagus

Storage and Reheating

Leftover meatloaf keeps well for a few days and reheats nicely.

• Refrigerate: Store slices in an airtight container for up to 4 days.
• Freeze: Wrap tightly in plastic or foil, then place in a freezer bag or container. It’ll keep for up to 3 months. Thaw overnight in the refrigerator before reheating.
• Reheat: Warm slices in a covered skillet over medium-low heat or in a 300˚F oven until heated through. A splash of water or broth in the pan helps keep them moist.

FAQ

You need just eight everyday ingredients plus salt and pepper to make this, including a full half pound of mushrooms. The result is a juicy, tender meatloaf that’s great on its own and even better the next day as cold meatloaf sandwiches.