Rebecca’s Meatloaf

When a Viewer Sends In a Recipe and It’s Just… Really Good

I have to be honest with you — I wasn’t sure what to expect with this one.

Not because Rebecca’s recipe sounded bad. It sounded great. But meatloaf is one of those dishes where everybody has strong opinions, and when someone sends in a recipe that’s a little different from what you’re used to, you just don’t know until you taste it.

Well, we tasted it. And it passed with flying colors.

Rebecca has been watching Mary Katherine’s Table since almost the very beginning of the channel. When we started asking viewers to send in their favorite family recipes for our “From Your Kitchen to Ours” series, Rebecca was one of the first people to respond — and this meatloaf was the recipe she sent in.

She told us she came up with it when her kids were little. She mentioned her mother tried it once and really loved it — and I imagine that meant the world to her. There’s something special about cooking something and having the people you love approve of it. That’s the whole reason we cook, isn’t it?

So we made it. Darren tasted it (he’s a big mushroom fan, so he was already rooting for it). And I’m thrilled to say we both loved it. The mushrooms blend in so beautifully you’d never know they were there — but you’d definitely notice something was missing if they weren’t.

Rebecca, we hope we did you proud. Thank you for sharing this with all of us.

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What Makes This Meatloaf Different

Most meatloaf recipes call for onions, eggs, breadcrumbs, and some kind of sauce on top. Rebecca’s has all of that — but she adds two things that set it apart:

Mushrooms. Eight ounces, finely chopped and sautéed with the onion in butter before they ever go into the meat. They add a savory depth that’s hard to put your finger on but impossible to miss. And because they’re chopped small, you don’t get those distinct mushroom bites that sometimes put people off — they just become part of the meatloaf.

Thyme. Not a seasoning you see in every meatloaf recipe. It’s subtle, herby, and it works beautifully alongside the parsley and the ketchup glaze.

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Rebecca’s Meatloaf Recipe

Prep time: 20 minutes Cook time: 1 hour Rest time: 15 minutes Serves: 6

Ingredients

• 1½ lbs ground beef
• 1 medium sweet onion, finely chopped
• 8 oz mushrooms, finely chopped
• 2 tbsp butter
• 1 cup plain breadcrumbs (panko or fine, unseasoned)
• 3 eggs
• ⅓ cup fresh parsley, chopped (plus a little extra for garnish if you like)
• 1 tsp salt
• ½ tsp black pepper
• 1 tsp thyme
• ⅔ cup ketchup (for glaze)

Instructions

1. Preheat your oven to 350°F. Line a sheet pan with foil and spray lightly with cooking spray. (You can also use a standard loaf pan if you prefer.)
2. Sauté the vegetables. Melt 2 tablespoons of butter in a skillet over low heat. Add your finely chopped onion and mushrooms, sprinkle with a pinch of salt, and let them cook for about 10 minutes until everything is soft and the moisture has cooked out. Spread them out to cool a bit before adding to the meat.
3. Mix the meatloaf. In a large bowl, combine the ground beef, breadcrumbs, eggs, parsley, salt, pepper, and thyme. Mix with your hands until everything is evenly distributed. Add the cooled onion and mushroom mixture and mix again until incorporated throughout.
4. Shape and glaze. Transfer the meat mixture to your prepared sheet pan and shape it into a loaf. Brush generously with ketchup, making sure to cover the top and sides.
5. Bake for 1 hour at 350°F, until cooked through.
6. Rest before slicing. Let the meatloaf rest for 15 minutes before cutting into it. This makes a big difference — it slices much cleaner and holds together better.

Tips

• Chop the mushrooms finely. A good food chopper works great here, or just knife them small. The finer the chop, the more they disappear into the meat — which is perfect.
• Sauté before adding. This step matters. Raw onion and mushrooms release a lot of moisture as they cook, which can make your meatloaf fall apart or turn watery. Cooking them down first solves that.
• Sheet pan vs. loaf pan. The sheet pan method gives you more surface area for that ketchup glaze, which means more of that caramelized, sticky top on every bite. Either works — it’s just a preference.
• Plain breadcrumbs. Unseasoned, whether panko or the finer variety. You’re seasoning the meatloaf yourself, so you don’t want the breadcrumbs adding flavors you didn’t intend.
• Resting time is not optional. Fifteen minutes off the heat lets the juices redistribute and the loaf firm up. Don’t skip it.

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Frequently Asked Questions

Can I use a different type of meat? Yes. Ground chuck works great and will give you a slightly richer flavor. You can also do a blend — some people use half beef, half pork. Just be aware that fattier ground beef will produce more drippings on the pan.

I’m not a mushroom fan. Will I taste them? Probably not in the way you might expect. When you chop mushrooms finely and sauté them first, they lose their texture and just add a savory, earthy flavor to the background. Darren and I would both say they enhance the meatloaf without announcing themselves. If you’re truly mushroom-averse, you can leave them out — but we’d encourage you to try it at least once.

Can I make this meatloaf ahead of time? Yes. You can mix and shape the meatloaf the night before, cover it, and refrigerate it unbaked. Pull it out when you’re ready to cook, add the ketchup glaze, and bake as directed. You may need to add 5–10 minutes to the bake time if it goes in cold.

How do I know when the meatloaf is done? The internal temperature should reach 160°F. If you don’t have a meat thermometer, you can slice into the thickest part — it should be cooked through with no pink remaining.

What can I use instead of ketchup for the glaze? Some people like to mix ketchup with a little brown sugar and dry mustard for a sweet-tangy glaze (that’s closer to the MKT version!). Others like BBQ sauce. Straight ketchup is classic and totally delicious — that’s what Rebecca uses.

Can I freeze this meatloaf? Absolutely. Cooked meatloaf freezes well. Let it cool completely, wrap individual slices or the whole loaf tightly, and freeze for up to 3 months. Reheat in the oven at 325°F, covered with foil, until warmed through.

Do I have to use fresh parsley? Fresh is ideal and what the recipe calls for. If you only have dried, use about 1–2 teaspoons in place of the ⅓ cup fresh. Dried parsley is more concentrated, so a little goes a long way.

What sides go well with this? Classic comfort food sides — mashed potatoes, green beans, roasted carrots, a simple salad, or buttered corn. It’s meatloaf, so you really can’t go wrong.

Can I add other vegetables? Sure. Bell pepper is a common addition. Some people add shredded zucchini or carrot. The key is to keep them finely chopped and not overdoing the quantity — too many vegetables and the structure of the meatloaf can get tricky.

What pan size should I use if I do a loaf pan instead of a sheet pan? A standard 9×5 inch loaf pan works well for this amount of meat. The bake time should stay roughly the same, but check the internal temperature to be sure.

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Thank you to Rebecca for sharing this recipe with all of us. If you have a recipe your family loves, we’d be honored to give it a try. Visit MaryKatherinesTable.com to submit yours — it just might be featured in a future “From Your Kitchen to Ours” video.

Remember to go out today and find somebody who needs a little bit of kindness, and give them some of yours.