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Complete Guide

What to Make with Costco Ground Beef

Costco Ground Beef: 80/20 vs 90/10, How to Freeze It, and the Best Recipes

Published February 14, 2024

Quick Answer

Costco sells ground beef in 80/20 (80% lean, 20% fat) and 90/10 (90% lean, 10% fat) blends, typically in 4–5 pound packages priced around $5–$7 per pound. The best recipes include tacos, chili, burgers, shepherd's pie, meatballs, lasagna, stuffed peppers, and sloppy joes. Because the packages are large, it's smart to portion the raw beef into 1-pound zip-top bags and freeze flat before using — frozen ground beef stays good for 3–4 months and can be thawed overnight in the refrigerator for any weeknight recipe.

Costco's ground beef is a reliable staple for anyone feeding a family on a budget. Sold in 4–5 pound packages in both 80/20 and 90/10 blends, it offers the kind of per-pound value that makes weeknight cooking significantly cheaper than buying smaller packages at a conventional grocery store. The catch is the quantity — unless you're cooking for a crowd, you'll need a plan for what to do with the rest of the package. The answer is portioning and freezing. Divide the raw beef into 1-pound portions the day you bring it home, seal each in a zip-top bag, press flat, and stack in the freezer. You'll have ground beef ready to thaw on demand for the next 3–4 months, which turns that large Costco package into a genuine money-saver rather than a meal-planning burden. This guide covers the difference between the 80/20 and 90/10 blends and when to use each, the best freezing and thawing method, the most versatile ground beef recipes for weeknight dinners, and a few tips that make browning ground beef significantly better.

80/20 vs 90/10: Which to Buy

The fat content in ground beef directly affects flavor, texture, and best use cases. The 80/20 blend (80% lean, 20% fat) is often labeled as ground chuck — it has more marbling, which means more flavor and better moisture retention during cooking. It's the right choice for burgers (where fat equals juiciness), classic meatballs, meat sauce, and meatloaf. The 90/10 blend is leaner, with noticeably less fat that renders out during cooking, making it better suited for dishes like tacos, chili, and stuffed peppers where you're going to drain and season the meat heavily anyway. If you only want to buy one blend, 80/20 is the more forgiving and flavorful choice for most recipes — you can always drain the extra fat.

How to Freeze Costco Ground Beef

The day you bring Costco ground beef home is the day to portion and freeze it. Divide the full package into 1-pound portions — this is the standard amount called for in most recipes — and press each portion into a flat disk inside a zip-top freezer bag. Flatten the bags so they stack like books in the freezer, which saves space and allows the meat to freeze and thaw faster. Label each bag with the date. Properly frozen ground beef stays at peak quality for 3–4 months. To thaw, transfer a bag to the refrigerator the night before you plan to use it; it will be fully thawed and ready to brown in 8–12 hours. Avoid thawing on the counter or in warm water, which can allow the outside to reach unsafe temperatures while the center is still frozen.

The Best Ground Beef Recipes

Ground beef is one of the most recipe-flexible proteins in any kitchen. Tacos are the fastest weeknight option — brown 1 pound of beef with taco seasoning in 10 minutes, and dinner is on the table. Chili is the best use for 90/10, as the lower fat content means a cleaner-tasting broth without excess grease to skim. Burgers need 80/20 for proper juiciness; season simply with salt and pepper and don't overwork the meat. Shepherd's pie and stuffed bell peppers are great ways to stretch 1 pound of beef into a substantial meal for 4. Lasagna and baked pasta dishes like baked ziti with meat sauce benefit from 80/20 because the fat emulsifies into the sauce during baking, creating a richer result.

Tips for Cooking Ground Beef

The most common mistake when browning ground beef is overcrowding the pan and steaming the meat instead of searing it. Use a wide, heavy skillet — cast iron or stainless steel — over medium-high heat, and don't stir too frequently; let the meat develop color on the bottom before breaking it up. Season with salt before browning, not after, which seasons the meat throughout rather than just on the surface. For meat sauce and chili, browning in batches if needed ensures you get caramelized bits on the beef, which add significant depth of flavor to the final dish. Drain excess fat by tilting the pan and spooning it off, or transfer the meat to a colander — this step is especially important with 80/20 for leaner dishes.

Recipes to Try

beef and porkmedium

Costco Rack of Pork Roast

The Costco rack of pork — also called a pork rib roast — is a dramatic cut that looks like a standing rib roast but costs a fraction of the price. Costco carries it frenched and ready to season. A simple herb and garlic crust is all it needs. Roast it low and slow to 145°F and the result is a juicy, deeply flavored centerpiece that feeds eight people for less than $40.

1 hr 50 min·8 servings
$4.38/serving
beef and porkeasy

Costco Ground Beef Tacos

Costco ground beef tacos are a weeknight staple for a reason. Costco sells ground beef in large packs at a price that makes per-taco cost unbeatable. This recipe seasons the beef from scratch — cumin, chili powder, garlic, and oregano — no seasoning packet needed. Make a double batch and the second half goes in the freezer for next week.

20 min·6 servings
$4.17/serving
beef and porkeasy

Costco Ground Beef Chili

This Costco ground beef chili is the kind of recipe you make once and eat four times. A Costco pack of ground beef, canned beans, fire-roasted tomatoes, and a well-built spice blend simmer into a rich, thick chili that tastes like it's been cooking all day. A small amount of cocoa powder deepens the color and adds complexity without making it sweet.

1 hr 15 min·8 servings
$3.12/serving
beef and porkeasy

Korean BBQ Short Ribs (Galbi)

Costco sells beef short ribs in the flanken cut — thin cross-cut slices perfect for Korean BBQ (galbi). The marinade is the dish: soy sauce, sesame oil, Asian pear or kiwi (the key tenderizing ingredient), garlic, ginger, and brown sugar. After 4 hours (or overnight), these ribs grill in 3 minutes per side into caramelized, sticky, impossibly tender perfection.

30 min·4 servings
$9.00/serving
See all beef and pork recipes →

Frequently Asked Questions

Should I buy 80/20 or 90/10 ground beef at Costco?+
It depends on what you're making. For burgers, meatballs, and meat sauce, buy 80/20 — the higher fat content produces more flavorful, juicy results. For tacos, chili, stuffed peppers, and any dish where you'll be draining and heavily seasoning the meat, 90/10 is the better choice because there's less excess fat to deal with. If you're only buying one type, 80/20 is the more versatile option because you can always drain the extra fat, but you can't add it back to lean beef once it's cooked.
How do you freeze Costco ground beef in portions?+
The best approach is to divide the full package into 1-pound portions on the day you buy it, before the meat has a chance to approach the end of its refrigerator window. Press each pound into a flat disk inside a labeled zip-top freezer bag, squeeze out as much air as possible, and lay the bags flat in the freezer. Flat, thin portions freeze and thaw much faster than thick balls of meat. Frozen this way, the beef holds quality for 3–4 months. You can also divide into smaller portions — 1/2 pound for recipes serving 2, or 1/3 pound for single-serve meals.
How long does Costco ground beef last in the refrigerator?+
Raw ground beef from Costco lasts only 1–2 days in the refrigerator after purchase, which is why freezing is essential for large warehouse packages. If you open the package and see any grayish discoloration, that's normal oxidation from the vacuum seal releasing — it's still safe to eat. However, if the meat has a sour or off smell, discard it. Once cooked, ground beef dishes like tacos, chili, and meat sauce last 3–4 days refrigerated or 3 months frozen.
How do you properly brown ground beef?+
Start with a hot, wide skillet — cast iron or stainless steel work best — over medium-high heat with a small amount of oil. Add the ground beef in a single layer and resist stirring for 2–3 minutes so the bottom develops a brown crust. Then break it apart and continue cooking, spreading it out to maximize surface contact with the pan. Avoid adding too much beef at once, which lowers the pan temperature and causes steaming instead of browning. Season with salt early in the process. Once the meat is no longer pink, tilt the pan and drain off excess fat before adding sauces or seasonings.
Can you cook Costco ground beef from frozen?+
You can cook ground beef directly from frozen, though it requires a slightly different approach than thawed beef. Place the frozen portion in a skillet over medium heat with a lid on. Let it heat for a few minutes, then scrape off the cooked outer layers and continue cooking. This method works but takes about twice as long as cooking thawed beef and makes it harder to control browning. For best results, plan ahead and thaw overnight in the refrigerator. If you're in a hurry, submerging the sealed bag in cold water for 30–45 minutes will thaw a 1-pound portion safely.