Once the school year starts, you’ll barely have time to brush your teeth, let alone cook dinner every single night. Leave the stress at the door and win dinnertime every night with the help of these 11 genius meal-prepping hacks.Maximize your menuPlan a weekly menu you know your family will love that also doubles up on some ingredients. You can rotate those ingredients weekly to keep your meals feeling fresh. For example, master this 25-minute shrimp and broccoli fettuccini on a Monday, and "broc-n-roll" on Thursday with these Beef & Broccoli Buddha Bowls. Next week, try using green beans or Brussels sprouts instead.Keep an ace up your sleeveSave yourself some frustration on the nights where you just can’t deal by keeping your kiddo’s favorites on deck. Kids will love anything dinosaur-shaped, and if you're choosing all-white meat products, you can feel good about serving them an all-natural snack. Inventory the inventive wayMost meal planning masters all say the same thing — you’ll save time and money by keeping an inventory of your fridge and pantry. We’re a little obsessed with this inventory hack from Mom Makes Dinner. Use a dry erase marker to keep tabs on what’s in stock right on the front of your fridge! Hi, Alexa!Is Google Assistant, Alexa or Siri your favorite helper? With its help, food waste will be a thing of the past. Put them to work by having them remind you about upcoming expiration dates in your pantry and fridge. That way, you can plan your weekly meals around what has to be used up before it goes bad.A big dillPut the battle of using your basil before it goes bad to rest once and for all. Buy fresh herbs in bulk, dice them up, and freeze them in an ice cube tray with olive oil. Not only will this make any meal taste fresh, it’ll also save you some time. Get the instructions from The Hungry Mouse.Bulk cook the basicsA watched pot never boils, especially when your hungry gaggle awaits. Speed up dinner by bulk cooking all of your basics ahead of time. Quinoa and rice will stay good for four to six days in your fridge, and can be easily reheated in a pan or microwave. The freezer is your friendOAMC, or Once a Month Cooking, is a lifestyle. Your family will revolt if you serve the same leftovers all week long. Instead, cook your chilis, chowders or meaty mains in bulk, store in freezer-friendly containers or bags, and reheat next week when the cravings kick back in.Three flavors, one panKill two birds, or three, with one stone. This genius tinfoil hack from Daily Burn allows you to cook three different flavors at the same time. You can use this tip for meats or veggies. Instant reheatThe Insta Pot has revolutionized our speedy supper game. If you freeze your soups in a round container they’ll easily fit into your Insta Pot and can be reheated in minutes. Make it in a mason jarMason jars aren’t only for Pinterest inspiration, and meal prepping isn’t only for dinner time. Get on your lunch game by pre-portioning a few days of food into mason jars. This Cobb Salad in a Jar is the make-ahead lunch of your dreams. Maximize your slow-cookerJust when you thought your slow cooker couldn’t be any more helpful, we unleashed the one-pot hack to end all hacks. Cook two meals at the same time with the help of some tinfoil and slow-cooker liners. This demonstrates how how to make two dips, but you can easily replicate this double-duty wonder for your favorite slow-cooker recipes.