JPH057170Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention relates to a packaged and cooked frozen food that can be easily cooked by defrosting and heating over an open flame.

<Prior Art> Various packaged prepared foods have been proposed in the past, in which frozen seasoning soup is placed on a heat-resistant tray, and main foods and ingredients are placed on top of the tray. This is because the main food is in a liquid seasoning soup with a low viscosity, such as frozen noodles, so when the tray is heated, the seasoning soup is convected, so that the frozen noodles and seasoning soup reach the desired temperature without burning. The food heats up smoothly, the cooking time is short, and the desired taste and texture are achieved.

<Problem to be solved by the invention> However, when the above-mentioned seasoning soup is highly viscous, such as in risotto, curry rice, rice porridge, etc.
Convection and movement within the tray are difficult to occur, and the heat concentrates in one area, causing the rice, noodles, or seasonings (sauce) to burn in some areas.In addition, cooking takes longer when heated over low heat to avoid burning. There was a problem that it was too much. Furthermore, in the case of risotto, if cooked rice and seasoning are mixed and stored in a tray and then frozen, the cooked rice becomes soggy and hardens, resulting in poor texture. Furthermore, although putting a lid on the lid can shorten the cooking time, there are other problems, such as the internal state cannot be checked and there is no transparent, heat-resistant, inexpensive material that can be used as a lid yet.

This idea was made to solve the above problems, and by devising the shape of the bottom of the tray and the shape of the frozen rice, it was possible to induce smooth convection in the highly viscous seasoning soup. This speeds up the cooking process and improves the taste.
The purpose is to obtain a packaged and cooked frozen food with good mouthfeel.

<Means for solving the problem> The packaged and cooked frozen food according to this invention is made by making cuts in a donut-shaped frozen rice in advance at multiple locations, and placing the cuts on a smooth tray with a raised center. The tray is filled with ingredients and seasonings so that they are positioned on the curved bottom and frozen.

<Function> The tray in this invention has a raised central part at the bottom, so even when using a household open flame stove, flames are dispersed both in the central part of the bottom and around the periphery, dispersing frozen seasonings. After the juice liquefies,
Convection and movement of this seasoning juice is promoted in its bottom center and periphery. In addition, since frozen rice is donut-shaped, it does not impede the convection mentioned above.
In addition, since the cuts are made in advance, when the seasoning juice efficiently heats the lower circumferential surface of this donut-shaped mass and collapses into the seasoning juice, it promotes the collapse from the above cuts and enhances the seasoning. This enables early cooking of the rice on the top that has not been immersed in the soup, so that the desired taste and mouthfeel can be obtained.

<Example of the invention> An example of the invention will be described below with reference to the drawings. FIG. 1 is a longitudinal cross-sectional view showing the whole packaged frozen food, and 1 is an aluminum tray, and the bottom 2 of this tray 1 is raised at the center with a smooth curved surface to form a raised part 2a. ing. Further, the bottom 2 has a smooth arc-shaped curved surface at its peripheral portion 2b. Numeral 3 is donut-shaped frozen cooked rice, which is filled into the tray 1 together with ingredients 4 and seasoning juice 5 so that a portion thereof is located in the raised portion 2a of the tray 1, and is frozen in this state. Note that when the tray 1 is placed on the market, a removable lid (not shown) made of paper or the like is placed over the opening of the tray 1. Moreover, this tray 1 as a whole has a shape like a cooking pot as shown in FIG.

On the other hand, the frozen cooked rice 3 has a donut shape as shown in FIG. 3, and three cuts 6 are provided at a predetermined depth from the top. This cut 6 is
The portion of the frozen cooked rice 3 immersed in the seasoning soup can be selected arbitrarily, with a predetermined depth, width, and size that is small, has good heat transmission, and is easy to unravel and collapse when the predetermined heating temperature is reached. set to a number.

Next, a case will be described in which a packaged frozen food as shown in FIG. 1 is cooked on a household direct flame stove.

First, the aluminum tray 1, which is a part of the packaged frozen food, is placed on the direct flame stove 7 to ignite the gas. The flame 8 caused by this ignition reaches the peripheral part 2b of the bottom 2 of the tray 1, as shown in FIG. Create a flow of hot air, bottom 2
The whole area is heated almost uniformly. Therefore, it can be carried out sufficiently and quickly while maintaining a certain thermal efficiency.
During this time, the seasoning status can be checked from the outside, and cooking can be performed arbitrarily according to the size of the flame 8, etc., without burning.

According to the experiment, the diameter of the bottom part is 130mm and the diameter of the raised part 2a.
A viscous resort sauce containing starch is placed on the aluminum tray 1, which is 66 mm long, 12 mm high, and 40 mm in total height.
180g, 50g of ingredients such as shrimp, and 100g of the frozen cooked rice shown in Figure 3 are filled and frozen and cooked on a household gas stove (flame diameter 80mm) without a lid on medium heat. However, the sauce did not burn at all, and within 4 minutes after heating, the seasoning juice distributed all over the bottom 2 melted and turned into a viscous liquid, and due to the above heating, it spread to the smooth curved surface of the bottom 2. Along,
Slow convection occurs in the directions indicated by arrows A and B in Figure 4. Due to this convection, the entire seasoning soup 5 is heated quickly, and then heating starts from the portion of the frozen cooked rice 3 that is immersed in the seasoning soup 5. Therefore, the cooked rice is quickly loosened from this part, and furthermore, it falls on the seasoning soup 5 while breaking at the cut 6, and is quickly heated. Therefore, it is possible to cook in a short time without causing charring, and it is possible to obtain cooked rice foods such as curry rice and risotto of good quality with less soggy rice. In such cooking, even without putting a lid on, the soaked portion of the prescribed cooked rice loosened, divided into three parts and sank into the seasoning soup 5, and the whole reached 90°C in 7 minutes after heating, completing the cooking. .
When I tasted this, it was confirmed that the cooked rice had a good texture without any soggy spots, and that the seasoning soup did not burn at all.

<Effects of the invention> As described above, according to this invention, a doughnut-shaped frozen rice is made with multiple cuts in advance, and then the cut is placed on a tray with the center portion lifted up.
To be located on the bottom with smooth curved surface,
Since this tray is filled with ingredients and seasoning juice and frozen, when this tray is placed on a home stove and cooked, the seasoning juice will circulate and move throughout the tray. This not only makes it possible to prevent the seasoning soup from burning, but also makes the heat distribution uniform on the tray, greatly improving the efficiency of heat transfer to the seasoning soup and frozen cooked rice. In addition, the part of the frozen cooked rice that is immersed in the seasoning soup loosens due to the above-mentioned heating, but the top part of the rice that is not immersed also breaks at the cut line and collapses into the seasoning soup. This has the effect that the cooked rice in the upper part can be quickly cooked to a good texture.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing a packaged cooked frozen food according to this invention, Fig. 2 is a perspective view of a tray in this invention, Fig. 3 is a perspective view also showing frozen cooked rice, and Fig. 4 is a sectional view showing a frozen food packaged during cooking. It is an explanatory view showing convection of seasoning soup. 1...tray, 2...bottom, 2a...raised part,
2b... peripheral area, 3... frozen rice, 4... ingredients,
5... Seasoning soup.

Claims (1)

[Scope of Claim for Utility Model Registration] 1) Donut-shaped frozen cooked rice with multiple cuts made is placed inside the tray with ingredients and seasonings so that the center is located on the bottom of the raised tray. Packaged and cooked frozen foods such as risotto that are filled with juice and frozen. 2) The packaged cooked frozen food according to claim 1, wherein the periphery of the center of the bottom of the tray has a smooth curved surface.