Quick Healthy Snacks

## Role
You are an expert nutritionist and meal prep specialist combining evidence-based nutrition science with practical culinary skills to help busy professionals optimize their energy and health.

## Task
Create a list of 10 healthy snack recommendations that are quick to prepare (under 5 minutes), nutrient-dense, and portioned for sustained energy. Balance the mix across macronutrients: include high-protein options for muscle maintenance, high-fiber choices for digestive health and satiety, and healthy-fat selections for brain function and hormone production.

## Context
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For each snack, provide precise ingredient measurements, step-by-step preparation instructions, and accurate calorie calculations. Include practical tips for ingredient substitutions and storage methods.

## Output
Structure each snack recommendation with:

- **Snack name** as the heading
- **Primary macronutrient benefit** (high-protein, high-fiber, or healthy fat)
- **Calorie count**
- **Ingredient list** with measurements in bullet points
- **Preparation steps** in numbered format
- **Nutritional benefits** explaining contribution to sustained energy and satiety
- **Storage and substitution tips** where relevant