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The Habit Healers
The Rainbow Plate: A System So Simple It’ll Change the Way You Eat Forever

The Rainbow Plate: A System So Simple It’ll Change the Way You Eat Forever

Laurie Marbas, MD, MBA's avatar
Laurie Marbas, MD, MBA
Jul 15, 2025
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The Habit Healers
The Habit Healers
The Rainbow Plate: A System So Simple It’ll Change the Way You Eat Forever
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Let’s start with a question most people don’t know they should be asking:

What color is your fiber?

Not your food. Your fiber. Because if your plate is beige, even if it’s “healthy,” you’re probably missing the key to metabolism, satiety, and long-term health.

Beige food is what happens when marketing outsmarts medicine. It’s convenient, shelf-stable, and almost entirely void of what your body actually needs: micronutrients, fiber, and protein.

And let’s be honest, most people don’t need a new diet. They need a new system. A visual one. A brainless one. One that doesn’t require nutrition school, an expensive meal app, or counting a single calorie.

So here’s the good news: That system now exists.

It’s called the Rainbow Plate System, and it’s the simplest way to make your food work for your body, without relying on willpower, blandness, or 47-step recipes.


Why Color is the Secret Weapon Your Grocery Cart’s Missing

Every color in nature’s palette signals something deeper: a specific set of compounds your body uses to repair, protect, and power up.

When you eat the rainbow, you’re not just making your plate prettier—you’re feeding your mitochondria, regulating your immune system, supporting brain health, and optimizing metabolic hormones. It’s micronutrient therapy disguised as a salad bar.

And when you combine that with high-fiber, high-protein plant foods, something amazing happens: you stay full longer, you stabilize blood sugar, and you give your body the tools to rebuild itself daily.

But most people don’t know where to start.

That’s where this system comes in.

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The Rainbow Plate Grid: What It Is and How to Use It

This is the core of the system. Each row represents a food category—grains, legumes, vegetables, fruits, and nuts/seeds. Each column represents a color group, tied to the unique nutrients those foods deliver. Your job is simple: pick 1–2 foods per category across the rainbow each week. Then batch-cook a few, store them, and mix and match throughout the week.

It’s not a recipe, it’s a rhythm. And once you get the hang of it, it becomes the easiest way to fill your plate with everything your body actually needs.

Rainbow Plate System Grid


Why the Rainbow Matters Inside Your Body

The color on your plate isn’t just for show. It reflects the actual nutrients and compounds your body uses to repair, protect, and energize itself. Red foods tend to be rich in antioxidants like lycopene, while green ones are loaded with folate, magnesium, and chlorophyll. Each color signals a different set of biological tools. This grid shows what you're really feeding, your immune system, brain, bones, and even your mitochondria, with every bite.

Rainbow Nutrient Grid


How to Use the System

Here’s how this becomes your meal strategy, not just a fun idea.

1. Pick one to two foods per category that are in the 6 different colors to start.
Example: red quinoa, orange sweet potatoes, yellow split peas, green kale, blueberries, tan almonds.
(You can swap in new ones next week—or midweek if you batch cook twice.)

2. Batch cook once. Mix and match all week.
Roast a few veggies, cook a pot of grains and beans, prep a few dressings or sauces, and chop your raw add-ins.

3. Use flavor bridges.
Sauces (see below), spices, and herbs bring it all together.

That’s it. You can make cold bowls, hot bowls, stir fries, wraps, salads, or stews—all from the same simple prep.


Real Life Sample Meal Plan

Let’s create a real-life sample meal plan using those six ingredients from the Rainbow Plate Grid:

  • Red quinoa

  • Orange sweet potatoes

  • Yellow split peas

  • Green kale

  • Blueberries

  • Tan almonds

We'll assume you've batch cooked the quinoa, sweet potatoes, and split peas, and washed/chopped the kale and blueberries. Almonds are ready to go.

Here’s how your week could look with just a few flavor tweaks and meal format shifts:


Sample Rainbow Plate Meal Plan (1 Week, 6 Ingredients)

Day 1 – Cold Bowl

  • Red quinoa base

  • Roasted orange sweet potatoes

  • Raw kale, massaged with lemon and salt

  • Handful of blueberries and almonds on top

  • Drizzle of tahini-lemon dressing

Day 2 – Warm Bowl

  • Sautéed kale + garlic

  • Warm yellow split peas and quinoa

  • Roasted sweet potatoes reheated

  • Sprinkle of chopped almonds

  • Simple cumin-lime vinaigrette

Day 3 – Wraps

  • Whole grain tortilla or collard leaves

  • Red quinoa, mashed sweet potatoes, kale

  • Hummus spread for moisture

  • Almond crunch + blueberries on the side

Day 4 – Stir Fry

  • Stir-fry kale and sweet potatoes in a little tamari + ginger

  • Add yellow split peas and quinoa

  • Top with almonds

  • Serve hot with chili flakes and rice vinegar splash

Day 5 – Salad Jar

  • Layer: quinoa → kale → sweet potatoes → blueberries → almonds

  • Add split peas for protein

  • Balsamic vinaigrette dressing on the side

Day 6 – Stew

  • Simmer yellow split peas with garlic, onion, and greens

  • Add diced sweet potatoes

  • Serve over warm red quinoa

  • Top with chopped almonds and herbs

Day 7 – Sweet & Savory Bowl

  • Red quinoa + warm sweet potatoes

  • Kale + blueberries

  • Toasted almonds

  • Drizzle of maple-mustard dressing

Built-In Flexibility

Each dish uses the same six ingredients in a new way—rotated, reheated, and recombined. The key isn’t variety of ingredients; it’s variety of formats and flavors.

Want to level it up? That’s where sauces come in next.


Why It Works (Even When Life Doesn’t)

You don’t need a new diet. You need a rhythm.
One that works when you’re tired. One that makes sense when life doesn’t.

That’s why the Rainbow Plate is built around one weekly anchor: batch cook once.

Cook your components. Fill your fridge with color. Then mix and match without thinking twice.

Because when your building blocks are ready, healthy eating becomes automatic.
You’re not counting. You’re not starting over every night.
You’re just following a pattern that actually works.

And here’s what makes it different: you’re not restricting, you’re expanding.
You’re not cutting out, you’re adding in.
Every color. Every nutrient. Every meal.

It’s simple. It’s visual. It’s flexible. And it fits real life.


Ready to Make It Real?

The Rainbow Plate Grid is your compass. But if you’re ready for a full system, the kind that lives in your fridge, not just your imagination, this next section is for you.

Inside the paid guide, you'll get:

  • 5 No-Recipe Meal Templates
    Batch once. Assemble in minutes. Eat well all week.

  • 10 Global Sauce Staples
    One prep session = endless flavor upgrades.

  • The Essential Pantry & Grocery List
    Everything you need. Nothing you don’t.

  • Plug-and-Play Weekly Builder
    So you can stop overthinking meals—and start repeating success.

If the free guide showed you what to eat, this shows you how to make it stick.

Your rainbow routine starts here.
Upgrade to access it all.

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