Fresh rosemary can be harvested from your own rosemary bush or purchased at the grocery store. Wash the sprigs of fresh rosemary under running water to remove dirt and debris. Pat the rosemary with a paper towel to remove excess water or use a salad spinner.  You will need three to four sprigs of rosemary to make one canning jar’s worth of rosemary oil. Dried rosemary has a very long shelf life. Dry as much as you want, even if you don’t plan on using it all for rosemary oil. Line a large baking sheet with a large piece of parchment paper. Next, place the rosemary on the baking sheet in a single layer.  If you overcrowd the rosemary, it won’t dry properly in the oven. Preheat your oven on the lowest setting for ten minutes. Next, place the baking sheet of rosemary in the oven. Let the rosemary bake for two to four hours.  When the rosemary is done drying, it will crumble easily between your fingers. Let the sprigs cool completely before making rosemary oil.
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One-sentence summary -- Wash fresh rosemary. Place the rosemary on a baking sheet. Dry the fresh rosemary in the oven.

Article: Some brands of clothing are iconic for being preppy (e.g. Lacoste, Ralph Lauren, Tommy Hilfiger). Add a few key items from these designers to your wardrobe; while these labels can be pricey, the clothes are generally well-made and classic enough for you to wear for years to come. To save money, track department store sales, or shop online for discounted or second-hand items. As a general rule, preppy clothing features clean lines, tailored cuts, neutral colors, and an overall neatness. The style also incorporates many nautical and equestrian elements that add an extra flair to the look. Design-wise, be on the lookout for:  Tailored trousers or skirts Clean, crisp button-down shirts Sailing or equestrian apparel (e.g. boat shoes or riding boots) There are certain key items that correspond to a classic, preppy look. Most of these items are classy and conservative, but also laid back in style. Stock up on a few pieces to build a core wardrobe that can be mixed and matched easily; some key examples (for all genders) are:  Cotton khaki pants Wool blazers, in classic, subdued colors like navy blue Cable knit sweaters Loafers Khaki pants are essentially the jeans of traditional clothing. They are neutral enough to go with everything, can be dressed up or down for leisure activities or social events, and are a preppy staple for all genders. Purchase a good quality pair of cotton khaki trousers and pair them with a Polo shirt or navy blazer for an ultra preppy look. The blazer is an iconic preppy garment which can add a tailored, collegiate look to any outfit. Blazers are available in a variety of styles and colors but a classic navy, wool blazer is the epitome of prep school style. Look for a single breasted jacket with notched lapels; for the ultimate, traditional blazer, look for one with 3 brass buttons and a nautical-themed logo, or a logo of a recognizably preppy brand (e.g. Ralph Lauren.) Cable knit sweaters are a good investment because they never go out of style. They can be dressed up for more formal occasions (e.g. worn with a tie or bow tie) or worn with casual outfits. Choose a cable knit sweater in the design of your choice:  Crew neck or V-neck Cotton, wool, or cashmere Solid color or made from a melange, two tone yarn Loafers are iconic, preppy shoes that are traditionally worn as a casual shoe, but can be upgraded for semi-formal situations (worn to work at an office with a laid-back dress code, for example.) These shoes are low, lace-less, and have a separate sole and heel. Choose the specific type of loafer that suits your preppy style:  Penny loafers: feature  a distinctive strip of leather with a diamond-shaped cut-out (the saddle) Tassel loafers: feature a leather lace and tassel as a decoration Gucci loafer: have a golden brass strap across the front Regardless of where you go to school, aim to replicate a prep school uniform to perfect your look. For ideas, visit preparatory school websites to read the rules and regulations of their dress codes. For instance, DC Preparatory Academy in Washington enforces the following uniform for its students:  Blue Oxford shirts or Polo shirts Navy blue cardigans, v-neck sweaters, or sweater vests Solid black, brown or navy dress shoes Khakis
Question: What is a summary of what this article is about?
Stick to preppy brands of clothing. Choose classic designs that fit well. Stock up on must-have preppy items. Add khakis to your wardrobe. Buy a blazer. Go for a cable knit sweater. Wear loafers. Replicate a prep school uniform.